Health
Alzheimer’s and Parkinson’s risk is higher for people with body fat in two specific areas
Excess fat in certain areas of the human body could make people more prone to neurological diseases like Alzheimer’s and Parkinson’s, a new study suggests.
The study, published in the journal Neurology — the medical journal of the American Academy of Neurology — linked higher levels of body fat in the arms and belly with a greater chance of developing these conditions.
In another key finding, people who have more muscle strength were at lower risk of developing these diseases.
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“Overall, the key takeaway message from our study finding is that body composition and cardiovascular diseases may be potential targets for preventing neurodegenerative diseases,” said lead study author Shishi Xu, a clinician in the Department of Endocrinology and Metabolism at West China Hospital of Sichuan University, in a statement to Fox News Digital.
The study group that had higher levels of belly fat had a 13% greater chance of developing neurological diseases like Alzheimer’s and Parkinson’s compared to those with lower levels, the researchers found.
Excess fat in certain areas of the body could make people more prone to neurological diseases such as Alzheimer’s and Parkinson’s, a new study suggests. (iStock)
Participants with higher levels of arm fat had an 18% higher risk.
Those with high muscle strength were 26% less likely to develop these types of diseases than those with low levels of strength, according to Xu.
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Cardiovascular disease risk plays a role, too, she said.
“If you are exposed to adverse body composition patterns, such as belly fat, you will have a higher risk of developing cardiovascular diseases, which significantly increases your risk of future neurodegenerative diseases,” Xu said.
Higher levels of body fat in the arms and belly were linked to a greater chance of developing neurological conditions. (iStock)
“On contrast, actively preventing CVDs at an early stage after exposure to adverse body composition patterns may decrease your future risk of neurodegenerative diseases by 10.7% to 35.3%.”
Dr. James Galvin, director of the Comprehensive Center for Brain Health at the University of Miami Health System, was not involved in the study, but said the findings did not surprise him.
“Body composition and cardiovascular diseases may be potential targets for preventing neurodegenerative diseases.”
“This is consistent with a body of literature suggesting a bidirectional relationship between brain and body,” he told Fox News Digital.
“Loss of muscle mass and strength (sarcopenia) and increase in body fat, particularly visceral fat, are risk factors for cognitive impairment.”
Potential limitations
In observational studies like this one, it can be tough to distinguish between correlation or causation, Xu said.
“Although we have made significant efforts in this study to approach a causal relationship, we acknowledge that residual reverse causation may still bias our findings,” she told Fox News Digital.
Taking steps to achieve healthier body composition may be more effective for preventing neurological diseases than general weight control, researchers said. (iStock)
Although the study suggests that body composition and cardiovascular diseases may be potential targets for preventing neurodegenerative diseases, Xu noted that more evidence is needed to confirm that these are causal risk factors.
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Galvin noted that another major limitation of the study was the lack of diversity in the sample.
“This is unfortunate, as obesity is an important risk factor in many minoritized populations, and our own research has demonstrated that physical frailty is an important mediator of cognitive decline in African American older adults,” he said.
Recommended lifestyle changes
Based on the findings, the researchers said, taking steps to achieve healthier body composition — such as reducing belly and arm fat while promoting healthy muscle development — may be more effective for preventing neurological diseases than general weight control.
“Lifestyle modifications like engaging in resistance training, reducing sedentary behavior and adhering to a balanced diet can be effective in reducing abdominal fat as well as enhancing muscle strength, which may potentially offer greater neuroprotective benefits than weight-focused anti-obesity medications,” Xu said.
The researchers also stated that early management of cardiovascular diseases may reduce the risk of neurodegenerative diseases.
The quality or distribution of muscle and fat, rather than the absolute weight, may be more important for your health, according to researchers. (iStock)
The quality or distribution of muscle and fat, rather than the absolute weight, may be more important for your health, according to Xu.
“In recent years, due to the widespread use and even abuse of weight-loss drugs, people have become overly concerned with overall weight and often overlook the key role of different body components,” she said.
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Muscle strength is often overlooked, the researcher noted.
“Our current study findings highlight that enhancing muscle strength is important and may potentially offer neuroprotective benefits,” she said.
“Our current study findings highlight that enhancing muscle strength is important and may potentially offer neuroprotective benefits,” the researcher said. (iStock)
“Therefore, maintaining a healthy lifestyle and enhancing your muscle strength are crucial.”
Galvin agreed, recommending that people should focus on reducing body fat while maintaining skeletal muscle by adding resistance and flexibility training and changing nutrition patterns.
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Added the doctor, “As we learn more about the impact of lifestyle on brain health and risk of disease, it is increasingly evident that there are many ways to build a better brain as we age.”
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Older adults identified as “super movers” are about half as likely to develop cognitive impairment than their peers.
That’s according to a recent study led by Stony Brook Medicine in New York, which evaluated the cognitive function of 4,000 adults 80 and over who participated in multiple aging and longevity studies over several years.
Among this group, 6% to 10% were classified as super movers, which means they walk at a much faster pace than others of the same age and gender — at speeds comparable to people three decades younger.
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The super movers were found to have about half the risk of cognitive decline compared to seniors with typical gait speed.
The findings were published in the journal Neurology on June 16.
Older adults identified as “super movers” are about half as likely to develop cognitive impairment than their peers. (iStock)
“The study reinforces that mobility and brain health are closely connected,” lead study author Dr. Joe Verghese, MD, neurologist at Stony Brook Medicine, told Fox News Digital. “This suggests that preserving mobility may be an important marker of healthy brain aging and resilience.”
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The most intriguing finding, according to Verghese, was that super movers maintained cognitive function despite having similar dementia-related brain changes as their peers.
In postmortem brain analysis, there was no difference in dementia-related pathologies between the super movers and the slower walkers, the study stated.
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“This suggests they may possess resilience mechanisms that help preserve brain function even in the presence of age-related changes,” he said. “Understanding these resilience factors could lead to new strategies for promoting healthy brain aging.”
As the study was observational, there were some limitations, and it does not prove that walking faster prevents dementia, the researchers noted.
Super movers were found to have about half the risk of cognitive decline compared to seniors with typical gait speed. (iStock)
“Other factors, such as cardiovascular health, physical fitness or genetics, may also contribute to both faster walking and better cognitive outcomes,” Verghese said.
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This study adds to growing evidence that what’s good for the heart and muscles also benefits the brain, he noted, adding that “staying physically active remains one of the most effective, evidence-based ways to support healthy aging.”
“Walking speed is best viewed as a marker of overall health, not a treatment.”
“The broader message is that physical activity is important at any age,” Verghese said. “Walking is an easy step-up point because you don’t need any special equipment. You can do it inside or outdoors, and you can do it on a regular basis. You can walk with a dog, you can walk with a friend.”
Any activity is beneficial if it’s done regularly and with the right intensity, he added.
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Rather than just trying to walk faster, the neurologist recommends that seniors focus on maintaining mobility through regular physical activity, strength training, balance exercises and good cardiovascular health.
“Walking speed is best viewed as a marker of overall health, not a treatment,” Verghese noted.
Major public health guidelines from the CDC and U.S. Physical Activity Guidelines recommend at least 150 minutes of moderate-intensity aerobic activity each week, such as brisk walking.
Major public health guidelines from the CDC and U.S. Physical Activity Guidelines recommend at least 150 minutes of moderate-intensity aerobic activity each week, such as brisk walking. (iStock)
This can be achieved by walking 30 minutes a day, five days a week, or about 20 to 25 minutes most days. Another option is to engage in shorter sessions that add up over the day.
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“You have to do it within your health limitations and medical conditions,” Verghese advised. “So if there are any medical concerns, I would get your physician to clear you before starting exercise.” The good thing about walking, he added, is that you can start at a slow pace and then gradually build up to a brisker pace.
“And then adding on strength and balance training, whatever age you are, I think is also important.”
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Health
Dr Oz warns Medicare scammers are stealing billions — and your personal information could be next
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Washington, D.C. – Medicare fraud is a multibillion-dollar problem that government officials say threatens both taxpayer dollars and Americans’ personal identities.
In a July 6 interview with Fox News Digital at the Great American State Fair in Washington, D.C., Dr. Mehmet Oz warned that every dollar stolen through Medicare fraud is a dollar taxpayers lose – a problem that has worsened since the COVID pandemic.
“If I had to just pick one thing to focus on to make healthcare more affordable in America, I’d go to health fraud and all the waste and abuse that accompanies it,” said Oz, who is the administrator of the Centers for Medicare & Medicaid Services. “And just to put this in perspective, we think it’s about $100 billion a year.”
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Medicare fraud can include billing for services that were never provided, overcharging for medical equipment, using stolen patient or doctor information, or performing unnecessary procedures, according to the U.S. Government Accountability Office.
CMS administrator Dr. Mehmet Oz is pictured on stage at the Great American State Fair in Washington, D.C., on July 6, 2026. (Angelica Stabile/Fox News Digital)
As the Trump administration ramped up efforts to combat fraud, CMS reported $41.9 billion in Medicare program integrity savings in 2025, up 59% from $26.3 billion in 2024.
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Medicare fraud not only harms the federal budget and steals from taxpayers, but exposes seniors to identity theft, unnecessary care, higher premiums and reduced access, Oz cautioned.
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Removing corruption from the healthcare system will have the greatest impact among seniors, since “so much of the fraud is perpetrated against them,” the administrator said.
“I’m talking about people tricking seniors to give up their Medicare beneficiary numbers, which is like a credit card basically,” he said. “These scammers can take those numbers and use them for all kinds of illegitimate purposes.”
“If I had to just pick one thing to focus on to make healthcare more affordable in America, I’d go to health fraud and all the waste and abuse that accompanies it,” said Oz. (Fox News Digital)
“People are stealing from you by pretending to send you drugs you don’t want, wheelchairs you don’t need, [and] services you never asked for or don’t benefit from,” Oz added.
To prevent this, he shared his top advice for seniors: Do not give your Medicare beneficiary number to anybody, do not answer questions on a phone call from an unknown person and do not give away personal information.
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“These scammers are calling seniors, tricking them, and once they have key information, they can steal it,” he said. “And I won’t know it and you won’t know it.”
“We want to protect people who need these programs the most,” Oz went on. “You do that by making sure scoundrels don’t corrupt the systems and steal money out of the till that is designed to help folks in dire straits when they’re vulnerable and in need of services.”
Seniors should never share their Medicare information with unknown people, the administrator advised. (iStock)
Removing fraud could “double the life expectancy of the trust fund that makes all this possible,” Oz predicted.
“If you’re worried about Medicare being there when you’re ready to retire in a couple decades, depending on how old you are, and you’re concerned that it might not last because of all the fraud that’s hitting it … you’ve got a good [reason to] worry,” he said.
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“If we take the fraud out, we could double the life expectancy, which means you, your kids, your kids’ kids … they could all benefit from this beautiful safety net program.”
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