Health
Study finds evidence of microplastics in brains and other organs
Two new studies have described the ways in which tiny microplastics can end up in humans’ organs – and even in the brains of mice.
One of the studies, published in Environmental Health Perspectives on Apr. 10., involved feeding healthy mice microplastics over a period of four to eight weeks. Scientists later found that various organs in the mice were contaminated.
“In mice that ingested microspheres, we detected polystyrene microspheres in distant tissues including the brain, liver, and kidney,” the study’s results section reads.
“Additionally, we report on the metabolic differences that occurred in the colon, liver, and brain, which showed differential responses that were dependent on concentration and type of microsphere exposure.”
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Doctors and researchers are investigating the impact of microplastics in the human body. (Getty Images / iStock)
Another study published in the Journal of Hazardous Materials on Apr. 5 experimented on both humans and mice. Researchers found that patients under 50 years old had significantly higher toxic substances in their gallstones – which are hardened pieces of excess bile in the gallbladder. After being fed microplastics, the gallstones of the mice in the study had formed at a faster rate.
“Our study revealed the presence of microplastics in human gallstones, showcasing their potential to aggravate chololithiasis by forming large cholesterol-microplastic heteroaggregates and altering the gut microbiota,” the paper stated.
The impacts of microplastics on humans is being investigated, and has caused widespread concern – especially because most Americans have been exposed to them their entire lives. Dr. Janette Nesheiwat told Fox News Digital that microplastics “are everywhere.”
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Many medical professionals are concerned about the impact microplastic ingestion has on humans. (iStock)
“We are consuming them unknowingly at unprecedented levels, ingesting them and inhaling them,” she explained. “Microplastics, especially at high levels, cause inflammation in the body.”
“Any foreign body such as a microplastic can cause irritation and inflammation in the body which can accumulate, disrupt normal cell function, and lead to an increase in organ injury.”
Nesheiwat said that microplastics have distinctly harmful effects depending on which organ they find their way to. To lower one’s microplastic intake, she recommends choosing glass over plastic products and choosing foods with lower microplastic contamination.
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A biologist looks at microplastics found in sea species at the Hellenic Centre for Marine Research near Athens, on November 26, 2019. (LOUISA GOULIAMAKI/AFP via Getty Images)
“Microplastics can affect the liver by causing stress and inflammation and impairing liver function,” she said. “In the brain, it causes neuroinflammation and disrupts brain signaling.”
Fox News medical contributor Dr. Marc Siegel, however, told Fox News Digital that the impacts of microplastics on humans are still unknown.
“Though we need to track this, there is still no direct evidence that microplastics in cells lead to untoward health outcomes,” he explained. “This may be proven wrong as more accumulate, and I am certainly concerned about cancer risks from chemical spills or in contaminated water or areas where waste was poorly stored in the environment.”
Mice were tested in the recent scientific studies about the impact of microplastics on health. (iStock)
“At the same time, the greatest health risks still come from sedentary behavior, obesity, untreated high blood pressure, poor sleep and little exercise,” he added.
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Health
Leading oncologist reveals 6 habits that could promote longevity and reduce your risk of chronic illness
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The health and wellness information put out on television, podcasts, social media, websites and elsewhere can be overwhelming, but a leading oncologist and University of Pennsylvania bioethicist argues healthy aging can be simplified into six evidence-based rules.
“Don’t be a schmuck” is the first principle offered by Dr. Ezekiel Emanuel in his book, “Eat Your Ice Cream: Six Simple Rules for a Long and Healthy Life.”
“Don’t be stupid,” Emanuel said recently on the ZOE Science & Nutrition podcast. “This is something my father used to say to his three sons very commonly when we were doing something dumb.”
Emanuel’s brothers are former Chicago Mayor Rahm Emanuel and powerful talent agent Ari Emanuel.
Emanuel argued that obviously dangerous activities, such as BASE jumping, climbing Mount Everest and smoking and vaping are examples of being a schmuck because they carry a high risk of death.
His other principles for living longer and reducing disease risk include prioritizing an active social life, staying mentally active with new hobbies and opportunities to learn, limiting processed and sugary foods and drinks without being overly restrictive, engaging in moderate exercise and getting proper sleep.
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“Our entire brain is constructed around social interactions, and it does way more for us,” Emanuel said. “We know that if you’re lonely, socially isolated, you dramatically increase your risks of mortality.
“More than 3 million people worldwide have been enrolled in studies about social interaction and longevity,” he added. “And the socially isolated, people who have zero or one friends, don’t see friends a lot. Those people are much more likely to die in the next few years.”
A leading health expert argues that loneliness poses health risks comparable to smoking cigarettes. (iStock)
According to Emanuel, being socially isolated or lonely “is the equivalent of smoking 15 cigarettes a day.”
Both close relationships and casual social interactions contribute to well-being, he said.
Emanuel explained why he thinks much of society’s obsession with wellness is toxic and what he labels as “the wellness industrial complex” gets wrong.
Dr. Ezekiel Emanuel said the wellness industrial complex’s obsession with wellness is toxic. (iStock)
“You should not be obsessed about wellness,” Emanuel said on the podcast. “You should be obsessed about living a meaningful life. That’s really what’s important, and wellness is only a means to an end.”
Much of the wellness industry focuses on self-denial, which is misguided, said Emanuel.
“Biology for humans is about homeostasis, the balance between one extreme and another,” he said.
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Society’s current obsession with wellness is nothing new, he added.
“Wellness is a response to a topsy-turvy world, a lot of uncertainty about what the future’s bringing, people feeling like their life’s out of control,” he said.
“And, so, wellness is a response. This is something I can control — what I eat, the vaccines I get, the exercise — and I think that’s what we have today. This is a lot about self-control transmuted into wellness as the outlet.”
Dr. Ezekiel Emanuel said he is a teetotaler himself but says he serves alcohol at his dinner parties because he believes it acts as a social lubricant. (iStock)
The body thrives when it doesn’t take dieting or exercising to extremes, Emanuel said. He is a teetotaler himself, but his wife enjoys cocktails, and when they have a dinner party, they serve alcohol.
Don’t drink alone or use alcohol to drown your sorrows or avoid dealing with them, Emanuel advised.
The ZOE podcast asked Emanuel to advise listeners who aren’t following any of his six rules what to try first.
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“Dinner parties,” he said. “You cook, and you both have good, healthy food because you’ve cooked it. Ynd you’ve challenged your mind ‘cause you’re adding a new recipe, and you’re figuring out how to do it right.
Hosting a dinner party is a healthy activity people should engage in, a health expert says. (iStock)
“You have people over, so you’ve got social connections,” he continued. “You’re challenging your mind with a good conversation. And when it’s all over, you go out for a walk so you get some physical activity.
“This is like you’ve done almost everything in wellness. All of those elements are key to wellness, and it’s the kind of thing you can do, you know, once a weekend or … And you’ll be happier.”
Health
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Health
Weight-loss drugs may improve job prospects and dating odds for one group
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A recent study suggests GLP-1-related weight loss may improve some women’s relationships and employment status.
Rebecca Diamond, professor of economics at Harvard University in Boston, independently published research that found an association between weight-loss medications and a change in women’s social and economic outcomes.
Diamond used the Understanding America Study, a panel survey from the University of Southern California, to compare women who started GLP-1s for weight loss to those who wanted to start but had not yet done so.
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The comparison considered body mass, health, income, employment, partnership status and well-being before treatment.
The study focused on women because they are more likely to use GLP-1s than men. It excluded people taking GLP-1 drugs for diabetes, as their use is driven by a medical condition rather than weight-loss demand.
Women who began GLP-1s for weight loss and were successful in losing weight experienced changes in relationship and employment status, according to the findings. (iStock)
Women who successfully lost weight with GLP-1 medications experienced changes across several life outcomes, including employment, marriage and cohabitation, according to the study.
Marriage and cohabitation rose 29% for single women after about 18 months.
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Among women who were not employed at the start of the study, job prospects increased by 27% after the same amount of time. Those who were already employed did not display any clear upward progress in their careers, however.
Diamond argues that these findings suggest part of the “female obesity penalty” comes from how people are judged when being matched up, either in a new relationship or a new job.
The findings say “more about societal bias than about the medication itself,” a doctor suggested. (iStock)
Dr. Peter Balazs, MD, a hormone and weight-loss specialist from New York and New Jersey, commented on these findings.
“The effects showed up during ‘new match’ situations, such as job interviews or dating, and not within existing jobs or relationships,” Balazs, who was not involved in the study, told Fox News Digital. “This says more about societal bias than it does about the medication itself.”
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Balazs said his patients often report feeling more confident and “visible” after weight loss, which could translate into better interview performance and networking.
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“Weight loss (commonly) improves confidence, which opens new business and relationship opportunities,” he went on. “Weight loss has hormonal impacts as well, so the normalization of hormones and the profound metabolic and psychological relief that comes with it can be a factor, too.”
“Weight loss (commonly) improves confidence, which opens new business and relationship opportunities,” an expert said. (iStock)
Dr. Krishna Vyas, a plastic surgeon at Blechman Plastic Surgery in New York, told Fox News Digital in a separate interview that many patients seek breast lifts or body contouring after significant GLP-1 weight loss, after which they find themselves “re-engaging with life.”
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“That confidence effect is real in the exam room,” said the surgeon, who also was not involved in the research. “This study, however, showed no clear improvement in depression, loneliness or life satisfaction, even as marriage and employment rates climbed dramatically.”
“The opportunities opened, yet the women didn’t report feeling better, which suggests it was largely the gatekeepers who changed, not the women.”
Potential limitations
Because this was an observational study rather than a randomized clinical trial, it could only show an association — not cause and effect. The findings are also considered preliminary because the paper has not yet been peer-reviewed, the author acknowledged.
“Additionally, since the study only looked at women, that introduces another layer of potential bias,” Balazs noted. “I’d be interested to see whether the findings would be the same if the study included men or compared them directly.”
“Weight loss has hormonal impacts as well, so the normalization of hormones and the profound metabolic and psychological relief that comes with it can be a factor, too,” an expert said. (iStock)
Another limitation is that the information from the individuals studied was self-reported, the expert noted.
The researchers were also unable to determine whether people who found new jobs were earning more money.
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“Additionally, even though GLP-1 users appeared to have better outcomes on paper, they did not report greater overall life satisfaction,” Balazs added. “That raises important questions about whether these external changes translate into meaningful improvements in well-being.”
Fox News Digital reached out to the study researcher and multiple human resources organizations requesting comment.
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