Dance, Garden and Swim your Way to a Better Brain as You Age, Study says


Walking, gardening, swimming, dancing and other leisurely activities may prevent brain shrinkage in older adults, a new study finds.

To examine the association between physical activity and brain aging, researchers from Columbia University assessed activity levels of older adults and analyzed the quality of their brains via magnetic resonance imaging (MRI) scans.

They found that those who were more active had larger brain volumes than their inactive counterparts, indicating that physical activity may help to slow brain volume loss, said Dr. Yian Gu, study author and assistant professor of neurological sciences at Columbia University’s Vagelos College of Physicians and Surgeons.

Shrinkage of the brain typically starts around the age of 60 or 70 years, slowing processing and cognitive functions.

“Our results add to the evidence that more physical activity is linked to larger brain volume in older people,” said Gu, speaking about the research she’s presenting at the American Academy of Neurology’s 72nd Annual Meeting in April.

“It also builds on evidence that moving your body more often throughout one’s life may protect against loss of brain volume.”

The activity level of more than 1,500 older adults with an average age of 74 was measured according to calories the researchers thought they burned by performing activities they self-reported engaging in within the last two weeks. They also measured the frequency, duration and intensity of the participants’ activities.

The activities were separated by three different categories: vigorous (aerobic dancing, jogging, playing handball), moderate (bicycling, swimming, hiking, playing tennis), and light (walking, dancing, calisthenics, golfing, bowling, gardening, horseback riding). Adults were then separated into three groups judging by people who had the least to the most activity.

MRI scans measured their brain volume and the volumes of their gray matter, white matter and white matter hyperintensity.

Gray matter of the brain is the cerebral cortex, which controls sensations and functions such as speech, thinking and memory. Beneath the cerebral cortex is the white matter, which coordinates communication between different brain regions. White matter hyperintensities are signs of damage to the white matter, which are common in older adults, according to a 2019 study.

Judging by the MRI scans, the adults who engaged in the highest levels of activity had 1.4% more total brain volume than those who were inactive, which was the equivalent of slowing brain aging by about four years, the report said.

“Brain volume is one marker of success, along with cognitive test performance and daily function,” said Dr. Richard Marottoli, medical director of the Dorothy Adler Geriatric Assessment Center at Yale-New Haven Hospital, who wasn’t part of the study.

One limitation of the study was that information on physical activity relied on a participant’s ability to remember how often and how long they were active. And the study found an association between activity and brain volume, but not a causal relationship.

“However, there’s no apparent downside to incorporating these activities in our daily routine until we have more definitive evidence, and there may be other benefits as well, such as cardiovascular health,” Marottoli said. “[The findings] add to an expanding body of evidence that a variety of things under our control may have beneficial effects on cognition.”

If larger brain volume is a result of activity, it could have generated from biological processes including growth of nervous tissue, anti-inflammatory benefits of exercise and strengthening of synaptic plasticity, which contributes to learning and memory, Gu said.

Brain shrinkage can stem from degeneration of nerve cells in the brain and diseases of the nervous system, which can result from multiple insults such as inflammation and oxidative stress, an imbalance between free radicals and antioxidants in the body, Gu said. Free radicals are unstable molecules from environmental sources such as cigarette smoke or pesticides that can damage the body’s cells.

Other causes of brain aging include stress, because of the high levels of the stress hormone, cortisol and brain injury induced by stroke events.

To foster brain health, Marotttoli said older adults can identify a mix of low, medium and high intensity activities they can safely enjoy and incorporate into their regular routine, increasing the likelihood they’ll be able to maintain them on a long-term basis.

In a recent study by the same authors, using the same study population, physical activity was associated with a lower risk of developing Alzheimer’s disease.

“Given the close relationship between brain atrophy and cognitive decline or dementia risk, it will be very interesting to formally test in future studies whether the protective role of physical activity on cognition or reducing dementia risk is indeed through slowing” undesirable changes of the brain such as shrinkage or pathological changes, Gu said.

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What Are the Symptoms of Magnesium Deficiency and How to Treat It

By Ashley Laderer

Leafy greens, fruits, and nuts are magnesium-rich foods. Westend61/Getty Images

Magnesium is a mineral that’s crucial for your body to function. It’s found throughout the body in bones, soft tissues, and cells, and plays a part in over 300 enzyme systems responsible for everything from controlling blood pressure, to synthesizing DNA, to generating energy for your body to function.

Since the mineral is responsible for so many bodily functions, a magnesium deficiency has the potential to be detrimental to your health. Here’s what you need to know.

Causes of magnesium deficiency

Magnesium deficiency is not common, but it does happen. It’s estimated that 2.5% to 15% of the general population have hypomagnesemia, aka low levels of magnesium in the blood. There a few possible causes of magnesium deficiency:

Long-term excessive alcohol consumption: Drinking can trigger your body to excrete more magnesium than normal.

Gastrointestinal diseases: Certain gastrointestinal diseases such as celiac disease or irritable bowel disease (IBD) result in chronic diarrhea and hinder the body’s ability to absorb nutrients.

Old age: According to a 2008 study published in Magnesium Research, aging itself is a risk factor for magnesium deficiency. In fact, people most at risk of magnesium are the elderly and people who are critically ill. As we age, the body has a harder time absorbing magnesium and other nutrients, due to changes in stomach acid. Older adults are also more likely to be taking medications that might interfere with magnesium absorption.

Type 2 Diabetes: Diabetes, particularly type 2, is a risk factor. People with type 2 have insulin resistance, which makes them more likely to pass excessive amounts of magnesium through their urine.

Symptoms of magnesium deficiency

According to Tyler Ladue, MD, a family medicine physician at Loma Linda University Health, symptoms of magnesium deficiency are as follows.

Early signs:

  • Loss of appetite
  • Nausea
  • Vomiting
  • Fatigue
  • Weakness

Advanced magnesium deficiency:

  • Numbness or tingling
  • Muscle contractions and cramps 
  • Seizures 
  • Personality changes
  • Abnormal heart rhythms
  • Coronary spasms

According to Cleveland Clinic, the most common symptoms are fatigue, weakness, and nausea. Fatigue and weakness are due to the fact that magnesium is necessary for converting food into energy for the body to use.

Magnesium deficiency can also result in low levels of other minerals. “Severe magnesium deficiency can manifest as hypocalcemia [low levels of calcium in the blood] or hypokalemia [low levels of potassium in the blood] due to magnesium’s important role in mineral homeostasis or balance,” says Ladue.

However, a severe deficiency isn’t common, though insufficiency is very common. “Despite most individuals in the United States not getting their daily estimated average requirement of magnesium, the above symptoms are relatively uncommon in the general population with a balanced diet,” says Ladue.

How to treat a magnesium deficiency

Treating a magnesium deficiency is relatively easy since many foods are rich in magnesium. The National Institutes of Health recommend that men get 400 to 420 milligrams of magnesium daily and women get 310 to 320 milligrams.

Foods that are rich in magnesium include:

  • Leafy green vegetables (such as spinach or kale)
  • Nuts (almonds, cashews, peanuts)
  • Beans and legumes (black beans, kidney beans, edamame, peanuts) 
  • Fruits (avocados, bananas, apples)
  • Fortified cereals (meaning vitamins and minerals have been added)

Of course, you can also take magnesium supplements, but it’s preferred to get nutrients straight from foods since food is packaged with complementary nutrients that can help you absorb magnesium better and that aren’t found in supplements.

If you’re considering a supplement, it’s also worth talking to your doctor or registered dietitian. Magnesium supplements come in different forms with varying absorption. Some of the most commonly sold forms are poorly absorbed and may cause unpleasant GI symptoms, like gas, bloating, and diarrhea.

Ladue recommends asking your healthcare provider about your magnesium level if you’re at increased risk of magnesium deficiency. Additionally, if you’ve been experiencing the aforementioned symptoms and think a magnesium deficiency could be the culprit, head to your doctor for testing. Physicians can test for magnesium deficiency by measuring magnesium in your saliva, urine, blood plasma, or serum.

Leafy greens, fruits, and nuts are magnesium-rich foods.
                    Westend61/Getty ImagesLeafy greens, fruits, and nuts are magnesium-rich foods. Westend61/Getty Images

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How Dieting May Have Helped Cause The Obesity Epidemic


  • February 09, 2020

If you’ve stepped outside at some point in the last few decades, you’ve probably noticed two things. One, we’re in the middle of an “obesity epidemic,” and two, we have entire aisles in our stores dedicated to weight loss products. But shouldn’t that second thing have nullified the first? Isn’t it kind of weird that this epidemic has grown right alongside the industry that claims to sell its cure? What if these products and plans aren’t merely wasting your money? What if they’re a cause?

An estimated 45 million of us go on a diet every year. We’ve covered before how losing weight and keeping it off is almost impossible with dieting alone. But there’s a theory that takes this idea much further. And the more you learn about it, the more it makes sense.

At Least One Study Says Dieting Is Actually The Problem

Let’s start with a 2015 study from the American Journal of Public Health. It claims that not only does dieting not work, but also that it may be a major cause of the so-called obesity epidemic. I know, it sounds nuts. Isn’t watching what you eat a good thing? How could people eating less and trying to be healthier cause them to gain weight? Wouldn’t this run contrary to decades of data we’ve been give in the form of “before” and “after” photos in dieting ads? “The person on the left is overweight and sad! The one on the right is clearly thin and happy! Checkmate.”

But if you know a little bit about the physiological effects of dieting — i.e. abruptly changing eating habits to drastically cut calories — this makes a scary amount of sense. When it comes down to it, dieting is a form of self-imposed famine. And when we’re starving, our bodies do some seriously intense stuff in response. Stuff that may keep you overweight forever.

Other Studies Back This Up

There’s a reason nobody seems to know anything about long-term weight loss, and why every year there’s a new diet fad that’s just the flip of the last one. (“Actually, you should only eat the bacon! It’s the bun that was bad!”) Most studies of food and nutrition are notoriously unreliable. They often get their data from self-reporting, which any fourth-grader who has “totally finished their homework” knows is questionable. But studying nutrition any other way would actually be pretty unethical. I mean, you can’t just lock people up and force them to eat exactly the way you want them to. Except in the best study we have, that’s pretty much exactly what they did.

The Minnesota Semi-Starvation Experiment was originally embarked upon to study how to re-feed starving people at the end of World War II, but its most compelling findings were about what happens to our bodies when we starve in the first place. The wartime desperation meant volunteers were happy to put up with constraints that under normal circumstances would result in the researchers involved getting called into the chief’s office to have their science badges taken away. And unlike most modern nutritional studies, this study used perfectly healthy men who had no history of attempting weight loss.

The men in the study were fed an average of 1,800 calories a day (more than many modern weight-loss diets suggest), and their reactions to this deprivation were telling. These formerly happy and healthy dudes experienced severe psychological problems, temper tantrums, violent outbursts, and an extreme obsession with food. They basically became hangry toddlers. And most importantly, even after the experiment was over, they experienced lifelong changes in desires and attitudes around food. Even when they were allowed to eat normal amounts, they had serious trouble following basic hunger cues, like figuring out when they were full, and reported frequent binge-eating. One man even compulsively broke the diet with a huge string of ice cream sundaes and malted milkshakes, and wound up having to be removed from the study.

It Turns Out That Dieting Can Really Mess You Up

So to break that down, the very caloric limit that we now see in modern-day diets like Noom, Jenny Craig, Medifast, and Nutrisystem made the men in that study way hungrier and way more likely to binge if given the chance. And it’s not just this experiment that tells us restriction leads to binging. Studies also show that eating disorders like binge eating are a physical response to starvation — even self-imposed starvation like dieting.

If you’re wondering whether this is a psychological or physical response, please remember that those are not separate things. Your brain is just another organ, and like all of your organs, it has built-in mechanisms to help you survive. Under the right circumstances, though, those very reflexes can work against you; ask any lifeguard how hard it is to save a drowning person who is thrashing around. That’s why dieting long-term can also mess with your metabolism, making it much harder to burn calories efficiently. Your body is trying to adjust to these mixed signals. “Are we starving? Or is there lots of readily available food around? It can’t be both!”

And while some people, like your cousin Deb who has been on and off Weight Watchers 15 times, will desperately disagree and say that [Insert Latest Diet Fad Here] saved their life, the scientific argument for rapid weight loss plans is very thin (sorry). Most studies that claim dieting works have some major flaws. They often define success within a short time frame, like under a year, even though most people who regain weight after diets do so in the two-to-five-year range. Oh, and they’re also usually based on self-reporting. How well do you think that works when people have been trained to credit the diet when they lose weight but blame themselves when they gain?

One of the largest databases of “successful” weight loss is the National Weight Control Registry, which you stay on even if you stop reporting your weight. So if you’ve regained weight and are ashamed to admit it, you’re still on that list as a skinny person. Those factors — along with small sample sizes, an inability to isolate specific factors, and other shortcomings — are in virtually every pro-diet study. If you want to pull back and see the real results, well, it’s not hard to find that data. Obesity rates are higher than ever. If any other industry had this kind of track record, the backlash would be massive. Would we keep buying fire extinguishers if it turned out that instead of putting out a blaze, they just made the flames invisible for a while?

Dieting Is To Blame For A Whole Lot Of Unhealthy Habits And Attitudes

For what seems like such an intractable problem, the obesity epidemic doesn’t actually go back that far. It started in the 1980s, and accelerated from there. There is no shortage of theories about what caused it, from a rise in sedentary hobbies and jobs (thanks, computers) to increased sugar consumption (thanks, lobbyists) to a shift toward fast food (thanks, chaotic work schedules). But the weight loss industry itself probably deserves a spot on that list.

The ’80s, after all, saw the rise of extreme fads like the Cabbage Soup diet. It’s hard to look back on people eating nothing but fruit for 10 days followed by bread and three cobs of buttered corn and think it was a good idea. It’s also easy to see the formation of a vicious cycle. Obesity starts rising, and along with it comes an extreme cultural fear of being overweight (think of Oprah’s enormous wheelbarrow of fat). But where you’d think this cultural obsession with weight loss would shift the tide (the way Americans drastically cut back on smoking thanks to awareness, legal restrictions, and stigma), the opposite happened.

Remember, these weight loss diets aren’t just unhealthy and ineffective. There’s an entire marketing-driven culture that comes along with it. Obese people declare their weight gain to be a personal moral failure, rather than trusting the overwhelming amount of research that says weight loss is not about motivation or willpower. If it was, a generation of sitcom fat jokes would have shamed everyone back into shape. Instead it turns out that stigma can cause physical effects, like spiking cortisol levels that can lead to a loss of self-control, binge-eating, and weight gain. It’s like if every time you thought of how much you hate spiders, a spider walked up and slapped you in the face. And then everyone around you said “Oh my god, she is not doing enough to avoid spiders.” And then more spiders showed up and everyone was suddenly drowning in spiders. I’ve lost the metaphor, but I think you get it.

So What Do We Do?

If scientists and dietitians agree that dieting can make obesity worse in the long term, how else can we solve the supposedly big problem of our big selves? How are we supposed to get to a healthy weight if we can’t diet?

If we were selling a diet plan, here’s where we’d hit you with the sales pitch, something like “Westerners need to learn the diet secret ancient tribes have known for centuries. You can kill hunger and burn fat with GUAVA ROOT EXTRACT GUMMIES (TM).” But this is one of those cases where any answer that’s simple is also wrong.

Continue Reading Below

Experts have been studying nutrition for decades, and humans have been eating food for millions of years, but the more we learn about the subject, the more complicated it gets. Even something that sounds simple, like calorie absorption, can fluctuate wildly depending on how a food is cooked, the length of our intestines, and even how we feel about what we’re eating.

So it’s ridiculous to suggest that eating nothing but cabbage for a month will undo all of the dozens of factors that got us here, from our genes to our hormones to habits that took a lifetime to cement. Our mental health, our sleep schedules, nonstop marketing of foods high in salt, sugar, and fat … it all ties in to an increase in hunger urges that, statistically, cannot be resisted by “pride” or “grit” or “willpower.” Telling an overweight person to “just stop eating” is like telling someone with bronchitis to “just stop coughing.” They can do it for a while, if they really concentrate. But eventually the body takes over.

Maybe we can start by building a culture of being healthy versus just looking healthy. Many a coke addict has had co-workers tell them they look fantastic because they dropped 40 pounds in two months. Our health is impacted by our environment, how much money we have, our mental health, how socially isolated we are, and even the buildings we spend time in. Some people live to 104 by drinking Dr. Pepper, while others get cancer in their 20s. Excess weight is just one component, and is often just a symptom of what’s really wrong.

That’s part of the point of movements like Health At Every Size. Instead of setting goals around making your body conform to beauty standards, find healthier habits that you can stick with for the rest of your life. It means realizing you have to find healthy foods and activities that you actually want to do, versus bitterly complying out of fear of ridicule. And maybe most of all, it means realizing that the weight gain/loss cycle will never be broken by the industry that profits from that cycle.

Not Eating Enough Fruit and Vegetables Linked with Increased Risk of Anxiety Disorders

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New Canadian research has found that eating less than three portions of fruit and vegetables per day appears to be linked to a higher risk of having an anxiety disorder.

Led by researchers from Kwantlen Polytechnic University in British Columbia, the new study looked at data gathered from 26,991 men and women between the ages of 45 and 85 taking part in the Canadian Longitudinal Study on Aging.

From the data, the researchers found that participants who ate less than three portions of fruit and veg per day had at least a 24 percent higher chance of being diagnosed with an anxiety disorder.

The findings, which are published in the International Journal of Environmental Research and Public Health, also showed that as a participant’s levels of total body fat increased past 36 percent, the likelihood of anxiety disorder increased by more than 70 percent, which the researchers say could be partly explained by the lack of fruit and vegetables in the diet.

“Increased body fat may be linked to greater inflammation. Emerging research suggests that some anxiety disorders can be linked to inflammation,” explained lead author Karen Davison.

The researchers also found that in addition to diet and measures of body fat, the rate of anxiety disorders among the participants also appeared to be linked to gender, marital status, income, immigrant status and several health issues. While one in nine women had an anxiety disorder, just one in 15 men had been diagnosed with anxiety; 13.9 percent of participants who had always been single had been diagnosed with a disorder compared to 7.8 percent of those who lived with a partner; rates of anxiety were almost double among those with household incomes under $20,000 per year compared to wealthier participants; rates of anxiety among those with three or more health conditions was 16.4 percent compared to 3 percent among those with no chronic conditions; and 6.4 percent of immigrants to Canada had anxiety disorders compared to the 9.3 percent of participants born in Canada.

The results were unsurprising for the researchers, with previous researchers suggesting that women are more vulnerable to anxiety disorders than men, while factors such as poverty and chronic pain can be stressful and anxiety-producing situations to be in.

“It is estimated that 10 percent of the global population will suffer from anxiety disorders which are a leading cause of disability” says Davison “Our findings suggest that comprehensive approaches that target health behaviors, including diet, as well as social factors, such as economic status, may help to minimize the burden of anxiety disorders among middle-aged and older adults, including immigrants.”

Mixing Diet Soda and Fries Has a Dangerous Effect on the Brain


Swapping out sugar for Splenda triggers a strange, potentially dangerous effect on the body if the swap is paired with food high in carbohydrates, suggests new research.

It turns out artificial sweeteners and carbs — when consumed together — trip up the brain and mess with metabolism. These effects can lead to insulin intolerance, diabetes, and weight gain. This research suggests that downing a diet soda isn’t so bad for you if consumed alone. What could be bad for health is when the drink comes with a side of fries.

“If you’re going to have a diet drink, don’t have it with French fries,” co-author Dana Small, a researcher at Yale University, tells Inverse. “Have the diet drink by itself and if you’re going to have a diet drink, give an hour on either side and it should be fine, at least in small quantities.”

The study was published Tuesday in the journal Cell Metabolism.

This research also posits that, if you’re on a sugar detox or aim to skip sugar-related calories, artificial sweeteners may not help as much as you think. Anytime you increase the sweetness of anything and it’s not actual sugar, it could have a negative impact, Small says.

“The finding that we saw could be the TIP OF THE ICEBERG in the sense that there are many, many things where the sensory properties and the energetic properties are mismatched or combined and created and processed, unlike anything in the natural food environment,” Small explains.


Small and her team recruited a group of 45 healthy young adults who didn’t regularly consume artificial sweeteners. All of the participants maintained a healthy weight and showed no signs of metabolic dysfunction.

The participants were randomly assigned into three groups and, over the course of a two week period, visited Small’s lab 13 times. By the end of the study, each participant drank seven fruit-flavored beverages mixed by the researchers.

One group drank beverages sweetened with the artificial sweetener SUCRALOSE (zero-calories, 0.06 grams of sucralose adding up to about two packets of Splenda). Sucralose goes by the brand name Splenda and is one of the most common artificial sweeteners. It’s 600 times sweeter than table sugar, the FDA says, and has been on the market since 1998.

Sucralose goes by the brand name Splenda. Other popular artificial sweeteners, such as Equal (pictured), contain aspartame.Mike Mozart

Another group drank beverages with regular table sugar (120 calories, 30.38 grams of sugar) and, as a control, the final group consumed drinks including both an artificial sweetener and added carbs — a non-sweet substance called maltodextrin (120 calories, 31.83 grams of maltodextrin). Each drink was the size of a typical soda can (355 milliliters or about 12 ounces).

Before and after they downed their drinks, the participants went through a barrage of tests measuring brain activity, taste perception, and metabolic function. The scientists also used functional magnetic resonance (fMRI) scanning to look at how the participant’s brains responded to sweet, savory, salty and sour tastes. The researchers also documented the group’s taste perception and did an oral glucose tolerance test to look at insulin sensitivity.


At the start of the study, the researchers wanted to test the “uncoupling hypothesis.” This hypothesis works off the idea that we’ve evolved to have a special relationship with sugar: We want sweet food, like fruit, because sweet food gives us energy. But when we consume something that is sweet that doesn’t contain calories — like artificial sweetener — the body becomes consumed. The taste is there, but the calories that give us energy are not.

In this case sweetness, Small explains, “is no longer a useful clue.” According to the hypothesis, this confusion causes the body to stop producing insulin and metabolizing sugar — which it normally would if the sweetness was paired with calories. This can lead to metabolic dysfunction and weight gain.

But Small’s results DISPROVE this theory: If the uncoupling hypothesis were correct, the group who drank artificially-sweetened drinks would have experienced negative brain and metabolic changes.

That didn’t happen: Only the group that drank the carb-artificial sweetener combo showed changes in the brain’s response to sweet taste and impaired insulin sensitivity or sugar metabolism. This result shocked the researchers so much, that they conducted an additional test where participants drank beverages with the added carbs (maltodextrin) only.

On their own, sucralose, sugar, or carb-heavy drinks didn’t seem to have negative metabolic and neurologic effects. Only the artificial sweetener-carbohydrate mixture disrupted the brain’s sugar response and kicked off downstream metabolic changes.

The sweetener-carbo group participants’ brains also showed decreased activity in the parts of the brain linked to regulating metabolism and processing rewards. These participants also because slightly insensitive to insulin.

Taken together, the results suggest carbs and sucralose work together TO CONFUSE THE BRAIN and set off a cascade of miscommunication through the body.

Since the brain’s response to sugar is “blunted” the body can’t metabolize sugar properly. In turn, if this blunting effect happens regularly, it can make it difficult for the brain and body to recognize sugar and respond appropriately.

Small describes this as a “circuit change.” This neural circuit change is adaptive in the sense that the body’s trying to understand how to process nutrients, but it is getting inaccurate signals, Small says. Whether the brain would eventually be able to self-correct isn’t clear, since the study was only for two weeks.


While no one in this study was at risk of becoming diabetic, the results do suggest that people who habitually eat or drink artificial sweeteners with a side of carbs may have a greater risk of Type 2 diabetes or becoming obese, Small explains.

Whether other common artificial sweeteners — from aspartame to stevia — could also ignite this disruptive effect when paired with carbs isn’t known, but Small predicts research will reveal similar results.

Artificial sweeteners, Small points out, aren’t necessarily used by food and drink companies because they are trying to make “diet” products — it’s because they’re artificial sweeteners are less expensive than sugar. In turn, her research suggests it’s time to rethink how healthy a “diet” version of a product (containing artificial sweeteners) is compared to foods and drinks that contain actual sugar.

To be the healthiest you can be, Small advises you avoid process foods and eat naturally. But if you’re in the mood for a treat, pair your pizza slice with a sugary drink like a Sprite — and not a Diet Coke.

Abstract: There is a general consensus that overconsumption of sugar-sweetened beverages contributes to the prevalence of obesity and related comorbidities such as type 2 diabetes (T2D). Whether a similar relationship exists for no- or low-calorie ‘‘diet’’ drinks is a subject of intensive debate and controversy. Here, we demonstrate that consuming seven sucralose- sweetened beverages with, but not without, a carbohydrate over 10 days decreases insulin sensitivity in healthy human participants, an effect that correlates with reductions in midbrain, insular, and cingulate responses to sweet, but not sour, salty, or savory, taste as assessed with fMRI. Taste perception was unaltered and consuming the carbohydrate alone had no effect. These findings indicate that consumption of sucralose in the presence of a carbohydrate rapidly impairs glucose metabolism and results in longer-term decreases in brain, but not perceptual sensitivity to sweet taste, suggesting dysregulation of gut-brain control of glucose metabolism.

Study: Drinking dairy milk linked to breast cancer in women

Note from Millie–  Dairy foods do not belong in the human body.  Breastfed until 2 years old and after that we do not need dairy.


New U.S. research has found that drinking even a moderate amount of dairy milk appears to be linked to an increased risk of breast cancer in women.

Hot on the heels of a review from top nutrition scientists that cautioned against drinking cow’s milk comes another study with another caution: drinking milk increases the risk of developing breast cancer, say the researchers. But this finding comes from an observational study, and there may be confounders that are not accounted for, says an expert not involved with the study.   

The latest research was based on data from the long-running larger study called Adventist Health Study-2 (AHS-2), which is looking at diet and health among Seventh Day Adventists in North America. Past results from this study have suggested that Seventh Day Adventists have longer life spans and lower rates of some cancers, perhaps because of heathier lifestyles.

The latest analysis suggests that milk raises breast cancer risk, and the more you drink the higher your risk may be. 

“Consuming as little as 1/4 to 1/3 cup of dairy milk per day was associated with an increased risk of breast cancer of 30%,” first author Gary E. Fraser, MBChB, PhD, said in a press statement. Fraser is affiliated with the School of Public Health at Loma Linda University, California.

“By drinking up to 1 cup per day, the associated risk went up to 50%, and for those drinking 2 to 3 cups per day, the risk increased further to 70% to 80%,” he added.

The findings were published February 25 in the International Journal of Epidemiology.

“The AHS study is provocative, but it’s not enough to warrant a change in guidelines. The caution being espoused by the authors is not warranted given the observational nature of this study,” commented Don Dizon, MD, director of Women’s Cancers, Lifespan Cancer Institute at Brown University in Providence, Rhode Island. He was not involved with the study and was approached by Medscape Medical News for comment.

Because of its observational design, the study cannot prove that cow’s milk causes breast cancer, Dizon emphasized.

“I’d want to see if the findings are replicated [by others]. Outside of a randomized trial of [cow’s] milk vs no milk or even soy, and incident breast cancers, there will never be undisputable data,” he said.

“Probably the biggest point [about this study] is not to overinflate the data,” Dizon added.

He noted that the results were significant only for postmenopausal women, and not for premenopausal women. Moreover, analyses showed significant associations only for hormone receptor-positive cancers.

Fruit Fly Study Reveals the Hidden Costs of Intermittent Fasting

Note from Millie–  Please remember that a true fast is not a short term deal. The first three days you are simple emptying the colon. Then you begin the process of detoxing. Very few people’s lifestyle affords them the luxury of a fast, as it takes a week to 10n days to truly fast effectively. I recommend detoxing by stopping processed foods, ,beginning to eat more fruits and veggies. Every summer I do a fruit fats, I will eat only fruit for several weeks. It’s an amazing detox and will allow you to carry on your regular schedule.

Yo-yo dieting takes an unexpected toll on health, a new study suggests.

Jumping on and off the diet wagon may seem like a tempting way to lose weight or improve long-term health. But a new study suggests swinging between periods of dietary restriction and eating rich foods may have “hidden costs” for reproductive health and perhaps even lifespan.

In the study, which was conducted in fruit flies, researchers find that switching back to a plentiful diet after cutting consumption causes flies to lay fewer eggs and die prematurely as compared to flies that lived on a rich diet consistently.

Of course, “fruit flies aren’t humans,” study co-author Mirre Simons tells Inverse. More research is needed to see how diet switching plays out in the human body. But if future studies confirm the findings, it could be bad news for the thousands of people who diet on-and-off, or incorporate intermittent fasting in their routines.

“Intermittent fasting could have negative health consequences under certain dietary or temporal regimes,” Simons, a researcher at the University of Sheffield, says.

Switching from restriction to re-feeding, or resuming normal eating, may have negative health consequences that may occur within a short timeline, the results suggest.

“A level of caution is therefore warranted when rapidly changing diet, especially at least that is what our work suggests, increasing intake after a period of restriction,” he says.

The findings were published Friday in the journal Science Advances.

Typically, when fruit flies’ diets are restricted, their risk of death drops significantly within 24 hours, Simons says. But rebounding after dietary restriction by eating a rich diet appears to cause an “overshoot effect” in the flies, resulting in “substantial” and “unexpected” mortality costs.

To test how sudden diet shifts affect fruit flies, a model often used in biology as a “stand-in” for humans, Simons’ team cycled a large group of mostly female flies through periods of eating very little and periods of eating four times as much food.

The research team examined the survival and reproductive capabilities of over 60,000 fruit flies in their labUniversity of Sheffield

The researchers tracked how many bugs lived or died throughout the study, and how many eggs the flies laid. After switching from four-day dietary restriction to a rich-food diet, flies’ risk of death went up and their fertility went down.

The effect of diet switching remained significant after controlling for different confounders, including the flies’ microbiomes, water consumption, social dynamics, and gender.

The experiment was repeated in over 66,000 flies across 11 genetic lines. As a group, the short-term diet switches have “surprising” effects on flies’ health, the researchers say.

Mortality risk during intermittent 4-day periods of dietary restriction was 1.6 times higher than in flies kept on a restricted diet without breaks. During the 4-day timelines, the flies’ risk of death appears to peak 48 hours after each diet switch.

During shorter, 2-day time periods, the team did not see significant effects on the flies’ risk of death. This finding suggests timing matters, and negative effects pop up after a certain number of days after a diet switch.


This study pushes against the popular theory that dietary restriction triggers a “survival strategy” in humans and animals.

The theory goes that humans and animals invest in maintaining and repairing the body in times of low food availability, to await times when food availability increases again. This ability to thrive under a constrained energy budget seems to benefit their long-term survival. Indeed, dietary restriction — not starvation or nutrient deprivation — has been shown to extend animal lifespans in multiple studies.

A huge number of species — from yeast to rhesus monkeys — show similar responses to dietary restriction, suggesting dietary restriction is an “evolutionary conserved response,” Simons says.

“The explanation why this response is so universally found in the animal kingdom is that organisms go into a survival mode during times of scarcity, invest in maintaining themselves, therefore age less fast, to await times when food availability increases again,” he says.

The theory is “attractive and intuitive,” but it has not been subject to rigorous testing, Simons says.

In this study, the researchers test the theory’s assumption that cutting food intake prepares animals for periods of food abundance.

But the results indicate flies are “ill-prepared” for rich-food conditions after experiencing dietary restriction. Rather than waiting for food availability to increase in the future, the flies instead appear to be essentially waiting to die on a restricted diet, the researchers say.

The team conducted several follow-up experiments to make sure this effect was “real,” interesting biology, Simons says. However, the work does still need to be validated in a separate sample.

Instead of dietary restriction triggering a survival mechanism, the researchers offer an alternate theory: Perhaps, dietary restriction is an escape from the damaging costs of a rich diet, which are currently unknown, they say.

What that “escape” means and if it translates to real-life health outcomes isn’t clear at this stage.

“Our work is a considerable step forward in the fundamental understanding of dietary restriction — one of the best known and studied ways to make animals, and most likely also our own species, live longer and healthier,” Simons says.

Ultimately, the study suggests limiting food intake may affect longevity, and in some cases, hamper reproductive abilities and heighten the risk of death. Diet changes should be taken with care, the researchers caution.

Abstract: Dietary restriction (DR) extends life span across taxa. Despite considerable research, precise and universal mechanisms of DR have not been identified, limiting its translational potential. In biomedical science, DR is interpreted as stimulating pro-longevity molecular pathways. This rationale is guided by the conviction that DR evolved as an adaptive, pro-longevity physiological response to food scarcity. Current evolutionary theory states that organisms invest in their soma during DR, and thus when resource availability improves, should outcompete rich-fed controls in survival and/or reproduction. Here, we test this prediction using large populations of Drosophila melanogaster (N > 66,000 across 11 genetic lines). Our experiments reveal substantial, unexpected mortality costs when flies return to a rich diet following DR. The physiological effects of DR should therefore not be interpreted as intrinsically pro-longevity, acting via somatic maintenance. We suggest DR could alternatively be considered an escape from costs incurred under nutrient-rich conditions, in addition to costs associated with DR.

People With The Best Gut Health Share This ONE Thing in Common


After looking at 11,000 people’s gut microbes and their corresponding eating questionnaires, the team of researchers learned an invaluable lesson about gut health. “It turned out that people who had the healthiest guts, which is generally the most diverse guts, were the people eating more than 30 different types of plant in a week,” says Dr. Spector.

When your gut isn’t happy about what you ate for breakfast, lunch, or dinner, it makes its feelings known. There’s an overwhelming amount of information out there about what to do—and what to avoid—to care for your digestive tract. But Tim Spector, MD, professor of genetic epidemiology at Kings College London and author of The Diet Myth: The Real Science Behind What We Eat, knows how to improve gut health naturally with a small but mighty tweak to your diet.

On a recent episode of the Deliciously Ella podcast, Dr. Spector points to a study a 2018 study published by the American Society for Microbiology. After looking at 11,000 people’s gut microbes and their corresponding eating questionnaires, the team of researchers learned an invaluable lesson about gut health. “It turned out that people who had the healthiest guts, which is generally the most diverse guts, were the people eating more than 30 different types of plant in a week,” says Dr. Spector.

At first blush, a triple-digit quantity of plants sounds like a lot, but Dr. Spector explains that it’s easier than you think. “People forget what a plant is. A plant can be a nut, a seed, a grain. It can be an herb, a spice. So it’s actually not that hard as long as you don’t have the same thing every day. That diversity was much more important than if you were vegan or vegetarian or meat-eater,” he says. So if you eat nut butter and whole grain toast for breakfast, followed by a salad at lunch, and some cauliflower pizza for dinner, you’ve checked off nearly a dozen of your vegetables in less than 24 hours.

The lesson here? If you’re new to the world of digestive health, focus on the diversity of the foods you eat. Your gut microbes will flourish and you’ll get to try every plant the supermarket has to offer.

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Vegetarian Nutrition- Examined. How Coaching Can Help


Most vegetarians do not eat enough fruits and veggies and eat too much bread, grains and processed foods.

I cooked and taught vegetarian nutrition for almost 30 years before organic meat became readily available to us. Although I healed on the vegetarian diet I developed other issues because of its inadequacies. So this stage of my life I eat wheat and dairy free, lots of fruits and vegetables and I mainly depend on protein with seafood and eggs.

I had found in teaching and coaching nutrition all these years that very few people meet their nutrient needs. So course when that happens the body stores what it takes in and it makes it harder to lose weight. So only when you meet every nutrient needs can you reach Optimum Nutrition and health.

The way I offered coaching is to analyze the clients food diary for 4 to 5 days and then show them in analysis of their nutrition for each of those days. That way you can see what you’re missing and what you are getting out of the way you’re eating.
There is so much controversy and belief system wrapped around the way we eat whoever really and truly it’s not that complicated. The right healthy fats, the correct amount of protein for growth and repair, and lots of fruits and vegetables. That’s it ,that’s all we should eat everyday.

When you can see it in black and white and have someone coach you as to how to shop, how to meet your nutrient needs, how to still have a life and eat healthy, that’s when you can really start to make changes and reach a very high degree of Health. My client see major changes in just a few weeks and it is amazing to see how different people feeling look in just a month.

I Googled what a vegetarian should eat daily to meet their nutrient needs;  This menu below was very typical of what I found. I have also seen MANY vegetarian clients daily food diaries along the way.

  • Breakfast: Oatmeal with fruit and flaxseeds
  • Lunch: Grilled veggie and hummus wrap with sweet potato fries
  • Dinner: Tofu banh mi sandwich with pickled slaw
Here’s the nutrient breakdown;


The highlighted part is showing the deficiencies, long term this will do harm to your health.

Hands on Coaching can help you come very close to meeting the lack of some vitamins and minerals. In this example the saturated fats are dangerously low, this affects the immune system, brain function, our ability to digest food. The mono and poly-unsaturated fats are way too high, leading to clogged arteries and sticky blood lipids.

the B Vitamins, especially B12 is way too low. This is one of the reason that many Vegetarians are tired and lack energy. Including Tofu in your diet is dangerous and is associated with brain fog, damage to the endocrine system and many types of cancer.

Notice how FEW fruits and vegetables there are in this days menu! You cannot maintain this type of nutrition long term with harming the body.

I work with clients by analyzing their daily food intake and helping them optimize their nutrition.

Reach out today to get started on a healthier lifestyle. Click here for more info-

Why You shouldn’t Follow “Diet” Advice on Losing Weight

Too many calories pic

PopSugar carried this article on it’s website on how to lose weight and a 7 Day Meal Plan- you can read it here-

You Don’t Have to Eat Bland, Boring Food to Lose Weight, and This 7-Day Meal Plan Is Proof

After reading the article I realized their advice was awful. So I took the first day’s meal plan and used my Nutrition Program to analyze the calories and nutrition.

Here’s their menu for the day-

Breakfast-   Pumpkin oatmeal, 2 tablespoons no-sugar-added peanut butter

Lunch-  –  Mexican stuffed peppers

Dinner-  Easy fried rice with egg

Snack-  Banana peanut butter ice cream

Notice there are a LOT of empty carbs and very little veggies, and no fruit?

The breakdown; 3875 calories!  Yikes!

19% fat-  ok

68% carbs- way too high as most of the calories come from dairy and rice (empty calories)

Protein- 13% –  too low

Only 45% of needed B12 was achieved.

Other nutrients were met but only by taking in more than twice needed calorie!