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As COVID cases rise, probiotics could reduce symptoms and infection, study suggests

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As COVID cases rise, probiotics could reduce symptoms and infection, study suggests

For those who aren’t vaccinated against COVID-19, probiotics could offer a level of protection against the virus, a new study suggests.

In a randomized, placebo-controlled study led by Duke Health in North Carolina, probiotics were shown to have a “significant ability to delay a COVID infection and reduce symptoms” among people who had not been vaccinated and were exposed to the virus in their households, according to a press release.

The study was published in the journal Clinical Nutrition.

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“In patients who did not have COVID symptoms, when they started taking the probiotic, the lactobacillus probiotic we studied reduced the likelihood of getting COVID over time by 50% and reduced COVID symptoms by 50% as well,” said study co-lead Paul Wischmeyer, M.D., associate vice chair for clinical research in Duke’s Department of Anesthesiology, in a statement to Fox News Digital.

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For those who aren’t vaccinated against COVID-19, probiotics could offer a level of protection against the virus, a new study suggests. (iStock)

This effect was seen in children and adults of all ages, he noted.

The blind study, which launched in March 2020 before vaccines were widely available, included 182 participants who were unvaccinated and had recently been exposed to someone in their household who had tested positive for COVID.

None of the participants had experienced symptoms of the virus.

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Half of them received a probiotic — lactobacillus, which is the bacteria found in yogurt, kefir and kimchi — while the other half received a placebo pill.

“This is a simple, safe probiotic we studied, specifically Culturelle, which you can buy at the store or on Amazon,” Wischmeyer noted.

Probiotics are live bacteria and yeasts that are beneficial to the digestive system, according to WebMD. Also referred to as “good” bacteria, probiotics contribute to gut health. (iStock)

The participants who took the probiotic were about half as likely to have COVID symptoms or to contract the virus compared to those in the placebo group, the researchers found.

The research team was not surprised by the findings, Wischmeyer told Fox News Digital.

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“There are many studies showing that probiotics can significantly reduce both the acquiring of viral infections and the severity of viral infections,” he said.

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In a large study of healthy babies that was published in the journal Nature in 2017, it was shown that taking a daily lactobacillus probiotic could significantly reduce viral and other respiratory infections as well as death, the doctor pointed out.

Additional studies have shown that probiotics can reduce respiratory infections by 32% to 50% and reduce the length of respiratory and viral illness by two days or more in people who take them daily, Wischmeyer added.

Additional studies have shown that probiotics can reduce respiratory infections by 32% to 50% and reduce the length of respiratory and viral illness in people who take them daily. (iStock)

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The researchers do not recommend that people skip COVID vaccines in light of these findings — but suggest that probiotics could provide an added layer of protection.

“The data appears to show that taking a probiotic when you receive a vaccine should improve the vaccine’s effectiveness and make it work better, as has been shown in some initial studies,” said Wischmeyer.

What are probiotics?

Probiotics are live bacteria and yeasts that are beneficial to the digestive system, according to WebMD.

Also referred to as “good” bacteria, probiotics contribute to gut health.

They can be consumed through fermented foods — including yogurt, kefir, cottage cheese, kombucha and others — and also via supplements.

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Probiotics increase the production of regulatory T-cells (white blood cells that help boost the body’s immune response), reduce inflammation, protect the lungs against infection, and express antiviral genes that help combat the COVID virus, the study found.

In addition to reducing the risk of respiratory infections, probiotics have been shown to have many other benefits, Wischmeyer told Fox News Digital.

These include improved gut health, improved immune function, reduced risk of diarrhea or gastrointestinal issues, and reduced risk for autoimmune diseases. 

Dr. Brett Osborn, a Florida neurologist and longevity expert, was not involved in the Duke study but offered his input on the findings. “This outcome aligns with the known anti-inflammatory properties of probiotics,” he told Fox News Digital.  (Dr. Brett Osborn)

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“There is also some data for improved weight management and improvement in depression and other brain benefits,” the doctor added.

Dr. Brett Osborn, a Florida neurologist and longevity expert, was not involved in the Duke study but offered his input on the findings.

“This outcome aligns with the known anti-inflammatory properties of probiotics,” he told Fox News Digital. 

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COVID-19 triggers a “robust inflammatory response” that can affect the lungs, heart, brain and peripheral nervous system, Osborn pointed out. 

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“The induced inflammation is a critical factor in the severity of the disease, which is precisely why the first effective treatment in the early days of the pandemic was corticosteroids, potent anti-inflammatory agents,” he went on. “While probiotics offer a less robust anti-inflammatory effect, they still contribute to reducing inflammation.”

“We have known for years that the gut plays a major role in COVID, and many with COVID develop GI symptoms.”

Reducing the body’s inflammatory response may result in less severe disease outcomes and reduced tissue damage, potentially minimizing long-term effects, the doctor added.

Dr. Marc Siegel, clinical professor of medicine at NYU Langone Medical Center and a Fox News medical contributor, who was also not involved in the Duke Health research, agreed that this was a “well-done study” with expected results.

“Probiotics have long been shown to have a positive impact in the fight against respiratory viruses,” he told Fox News Digital. 

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Dr. Marc Siegel, clinical professor of medicine at NYU Langone Medical Center, who was also not involved in the Duke Health research, agreed that this was a “well-done study” with expected results. (Dr. Marc Siegel)

“We have known for years that the gut plays a major role in COVID, and many with COVID develop GI symptoms,” Siegel added. “Taking probiotics when around COVID has little downside for most, and I think it is a good idea.”

The doctor did note that further research should be done into the benefits, however.

Study was small but credible, researcher says

The primary limitation of the study was its small size, the researchers acknowledged.

“While limited in sample size, our study lends credence to the notion that our symbiotic microbes can be valuable partners in the fight against COVID-19 and potentially other future pandemic diseases,” Wischmeyer said. 

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“This may be particularly relevant in under-resourced nations where vaccination rates have lagged and even in the U.S., where COVID boosters are not widely accessed.”

Osborn agreed, noting, “Although the study’s limited size prevented statistical significance, the results suggest a potential protective effect of probiotics in individuals infected with SARS-CoV-2.”

Probiotics can be consumed via certain foods or supplements. (Daniel Acker/Bloomberg via Getty Images)

Based on the research, Wischmeyer said the majority of people worldwide can benefit from taking a daily probiotic to reduce their risk of not only getting COVID and experiencing severe symptoms, but also the risk of getting other respiratory infections like influenza, RSV and other viruses.

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“If you are taking immunosuppressive medications, you should talk to your doctor before starting a probiotic, but it may still be safe if your doctor approves,” he added.

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COVID cases and hospitalizations are on the rise along with other respiratory illnesses, according to data from the Centers for Disease Control and Prevention (CDC).

Fewer than 20% of people in the U.S. have gotten the updated COVID vaccine, the agency reports.

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Experts reveal why ‘nonnamaxxing’ trend may improve mental, physical health

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Experts reveal why ‘nonnamaxxing’ trend may improve mental, physical health

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The key to feeling better in a fast, overstimulated world might be surprisingly simple: Live a little more like your grandparents.

A growing social media trend, dubbed “nonnamaxxing,” draws inspiration from the slower, more intentional rhythms associated with an Italian grandmother.

The lifestyle is often linked to activities like preparing home-cooked meals, spending time outdoors and making meaningful connections.

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“Nonnamaxxing is a 2026 trend that embraces the slower, more intentional lifestyle of an Italian grandmother (a Nonna). Think cooking from scratch, long family meals, daily walks, gardening and less screen time,” Erin Palinski-Wade, a New Jersey-based registered dietitian, told Fox News Digital.

Nonnamaxxing, derived from the name for an Italian grandmother, is a trend that incorporates lifestyle habits hundreds of years in the making. (iStock)

Stepping away from screens and toward real-world interaction can have measurable benefits, according to California-based psychotherapist Laurie Singer.

“We know that interacting with others in person, rather than spending time on screens, significantly improves mental health,” she told Fox News Digital, adding that social media often fuels comparison and lowers self-esteem.

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Living more like previous generations isn’t purely driven by nostalgia. Cooking meals from scratch, for example, has been linked to better nutrition and more mindful eating patterns.

Adopting traditional mealtime habits can improve diet quality and support both physical and mental health, especially when meals are shared regularly with others, Palinski-Wade noted.

One longevity expert stresses that staying healthy isn’t just about food — it’s also about joy and community. (iStock)

There’s also a psychological benefit to slowing down and focusing on one task at a time. Anxiety often stems from unfinished or avoided tasks, Singer noted, and engaging in hands-on activities can counteract that.

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“Nonnamaxxing encourages us to be present around a task, like gardening, baking or knitting, or just taking a mindful walk, that delivers something ‘real,’” she said.

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Palinski-Wade cautions against turning the trend into another source of pressure, noting that a traditional “nonna” lifestyle often assumes a different pace of life.

The key, she said, is adapting the mindset, not replicating it perfectly.

Nonnamaxxing, derived from the name for an Italian grandmother, is a trend that incorporates lifestyle habits hundreds of years in the making. (iStock)

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The goal is to reintroduce small, intentional moments that make you feel better.

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That might mean prioritizing a few shared meals each week, taking a walk without your phone or setting aside time for a simple hobby, the expert recommended.

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Singer added, “Having a positive place to escape to, through whatever activities speak to us and make us happy, isn’t generational – it’s human.”

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Loneliness may be silently eroding your memory, new research reveals

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Loneliness may be silently eroding your memory, new research reveals

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Feeling lonely may take a toll on older adults’ memory — but it may not speed up cognitive decline, according to a new study.

Researchers from Colombia, Spain and Sweden analyzed data from more than 10,000 adults ages 65 to 94 across 12 European countries and found those who reported higher levels of loneliness did worse on memory tests at the start of the study, according to research published this month in the journal Aging & Mental Health.

Over a seven-year period, however, memory decline occurred at a similar rate regardless of how lonely participants felt.

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“The finding that loneliness significantly impacted memory, but not the speed of decline in memory over time was a surprising outcome,” lead author Dr. Luis Carlos Venegas-Sanabria of the School of Medicine and Health Sciences at the Universidad del Rosario said in a statement.

Loneliness may be linked to memory performance in older adults, a new study suggests. (iStock)

“It suggests that loneliness may play a more prominent role in the initial state of memory than in its progressive decline,” Venegas-Sanabria said, adding that the findings highlight the importance of addressing loneliness as a factor in cognitive performance.

The findings add to debate about whether loneliness contributes to dementia risk. While loneliness and social isolation are often considered risk factors for cognitive decline, research results have been mixed.

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The study looked at data from the long-running Survey of Health, Ageing and Retirement in Europe (SHARE), which tracked 10,217 older adults between 2012 and 2019. Participants were asked to recall words immediately and after a delay to measure memory performance.

Social isolation and loneliness could play a surprising role in cognitive health among seniors. (iStock)

Loneliness was assessed using three questions about how often participants felt isolated, left out or lacking companionship.

About 8% of participants reported high levels of loneliness at the outset. That group tended to be older, more likely to be female and more likely to have conditions such as depression.

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Researchers found that those with higher loneliness had lower scores on both immediate and delayed memory tests at baseline. Still, all groups — regardless of loneliness level — experienced similar declines in memory over time.

The results suggest loneliness may not directly accelerate the progression of memory loss, though it remains linked to poorer cognitive performance overall.

Researchers look at a brain scan at the National Institutes of Health in Bethesda, Maryland. (Saul Loeb/AFP/Getty Images)

Experts warn, however, that the findings should not be interpreted to mean loneliness is harmless.

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“The finding that lonely older adults start with worse memory but don’t decline faster is actually the most interesting part of the paper, and I think it’s easy to misread,” said Jordan Weiss, Ph.D., a scientific advisor and aging expert at Assisted Living Magazine and a professor at NYU Grossman School of Medicine.

“It likely means loneliness does its damage earlier in life, well before people show up in a study like this at 65-plus,” Weiss told Fox News Digital.

By older age, long-term social patterns may already be established, making it harder to detect when the effects of loneliness first took hold, an aging expert says. (iStock)

He suggested that by older age, long-term social patterns may already be established, making it harder to detect when the effects of loneliness first took hold.

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“By the time you’re measuring someone in their late 60s, decades of social connection patterns are already baked in,” he said.

Weiss, who was not involved in the research, added that loneliness may coincide with other health conditions, and noted that participants who felt more isolated also had higher rates of depression, high-blood pressure and diabetes. The link, he said, may reflect a cluster of health risks rather than a direct cause.

“While they can go hand-in-hand, it’s not clear that loneliness contributes to dementia,” a psychotherapist says. (iStock)

Amy Morin, a Florida-based psychotherapist and author, said the findings reflect a broader pattern in research on loneliness and brain health, and that the relationship may be more complex than it appears.

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“The evidence shows there’s a link between loneliness and cognitive decline but there’s no direct evidence of a cause and effect relationship,” she said. “So while they can go hand-in-hand, it’s not clear that loneliness contributes to dementia.”

Morin added that loneliness, which can fluctuate, may not be the root of the problem, but rather a symptom of other underlying mental or physical health issues.

Researchers suggested screening for loneliness be incorporated into routine cognitive assessments as one way to support healthy aging. (iStock)

She said staying socially and mentally engaged is crucial for overall brain health.

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“It’s important to be proactive about social activities,” Morin said. “Joining a book club, having coffee with a friend, or attending faith-based services can be a powerful way to maintain connections in older age.”

The researchers also suggested screening for loneliness be incorporated into routine cognitive assessments as one way to support healthy aging.

Fox News Digital reached out to the researchers for comment.

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Eat More To Lose Weight? She Dropped 55 Pounds by Having 5 Meals a Day

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Eat More To Lose Weight? She Dropped 55 Pounds by Having 5 Meals a Day


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Eat More To Lose Weight? How Small Meals Boost Fat Burn




















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