Health
Common supplements and medications could cause liver damage, studies show
Scientist shares reversal of liver disease in new trial
Arun Sanyal, M.D., director of the VCU Stravitz-Sanyal Institute for Liver Disease and Metabolic Health, discusses the clinical trial involving 800 participants, in which a weekly dose of semaglutide was effective at treating fatty liver disease.
As cases of drug-induced liver injury (DILI) are on the rise, experts are warning of the hidden dangers associated with some common medications and supplements.
Statistics show that DILI, also known as toxic hepatitis or hepatotoxicity — which is known to be a significant cause of acute liver failure — has been growing in Western countries since the 1960s.
Around one-fifth of the total population who are prescribed medications will experience DILI, according to recent research published in the journal Toxicology Reports.
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Potential triggers of liver injury include herbal products, dietary supplements and medications, the study found.
Those with pre-existing liver conditions and nutritional deficiencies are at a higher risk, as are pregnant women.
As cases of drug-induced liver injury are on the rise, experts are warning of the hidden dangers associated with some common medications and supplements. (iStock)
How drugs can harm the liver
One of the liver’s main functions is to break down substances taken orally, including supplements and medications, according to the American College of Gastroenterology (ACG).
For some people, the process of metabolizing these substances can be slower, increasing the risk of liver damage.
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Even medications that have been tested for safety and approved by the U.S. Food and Drug Administration (FDA) can potentially cause liver injury in rare cases, stated the ACG.
Common symptoms of liver disease include nausea, loss of appetite, abdominal pain, generalized itching, dark urine and jaundice, although some people may notice no signs, per the above source.
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Most common medications that cause DILI
The recent study in Toxicology Reports identified several drugs that are most likely to cause liver injury.
- Paracetamol (acetaminophen), a common over-the-counter pain reliever
- Nonsteroidal anti-inflammatory drugs (NSAIDs), which are often used to treat headaches, fever and chronic inflammatory disorders
- Aspirin, a common over-the-counter medication used as a fever-reducer, pain reliever and blood thinner
- Nimesulide, an NSAID used to relieve pain and reduce fever
- Methotrexate, an antimetabolite medication that is used to treat rheumatoid arthritis, lymphoma, leukemia and other cancers
- Corticosteroids, which are used to treat conditions involving inflammation or overactive immune systems
- Isoniazid, a first-line treatment for tuberculosis
- Tetracyclines, a class of antibiotics that treat multiple types of bacterial infections
- Halothane, which is used as a general anaesthetic during surgical procedures
Turmeric, a common spice added to foods, has been linked to potential liver toxicity. (iStock)
Supplements linked to liver damage
Medications aren’t the only agents that can cause drug-induced liver injuries.
Dr. Marc Siegel, Fox News senior medical analyst, spoke with Fox News Digital about the risks of herbal and dietary supplements (HDS) affecting the liver.
“The biggest problem with herbal supplements is that the amount you are taking of active chemicals isn’t strictly regulated, so you don’t know exactly what you are getting.”
“The biggest problem with herbal supplements is that the amount you are taking of active chemicals isn’t strictly regulated, so you don’t know exactly what you are getting,” he said.
“And since several of the supplements are metabolized through the liver, there is now an increasing incidence of liver toxicity in users.”
Garcinia cambogia, a popular weight-loss supplement, is among commonly used botanical products known for potential liver toxicity. (iStock)
Cases of DILI linked to herbal or dietary supplements have nearly tripled between 2004 and 2014, according to a 2024 study published in JAMA Network Open.
The researchers identified the following most commonly used botanical products known for potential liver toxicity.
- Turmeric, a common spice added to foods
- Green tea
- Ashwagandha, an herb used for stress and anxiety
- Garcinia cambogia, a popular weight-loss supplement
- Red yeast rice, which is said to help lower cholesterol levels
- Black cohosh, a dietary supplement used to relieve menopause symptoms
It is estimated that at least 15.6 million U.S. adults have used at least one of these six botanical products within the past 30 days.
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“The most commonly implicated botanical products in the DILIN (Drug-Induced Liver Injury Network) include turmeric, kratom, green tea extract and Garcinia cambogia, with potentially severe and even fatal liver injury,” the study stated.
Drug-induced liver injury caused by HDS can be severe or even fatal, leading to death or liver transplantation, the researchers noted.
Toxic hepatitis or hepatotoxicity — which is known to be a significant cause of acute liver failure — has been growing in Western countries since the 1960s. (iStock)
Fox News’ Siegel also warned against the potential liver-related risks of some of these named supplements.
“Turmeric is a natural anti-inflammatory and may be useful in small doses, but can be toxic in large doses,” he cautioned.
“Garcinia cambogia is very popular, especially as a weight-loss agent, but there is no real evidence that it actually works, and there is no reason to take it, especially with the new GLP-1 drugs.”
While red yeast rice has cholesterol-lowering statin-type properties, Siegel cautioned that the amount of active chemicals isn’t as strictly regulated as approved medications.
“Turmeric is a natural anti-inflammatory and may be useful in small doses, but can be toxic in large doses.”
“I find it useful in some patients who are reluctant to start statins and are looking for a more natural alternative, but I must strictly monitor the amount taken and the effect on the liver,” he said.
Regarding green tea, Siegel noted that it does have antioxidant properties and can be useful to consume as a beverage (though it has a lot of caffeine) — “but there is no reason whatsoever to take more of it in an extract, where it can be toxic.”
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The FDA states on its website that it does regulate dietary supplement products and dietary ingredients, but under “a different set of regulations than those covering ‘conventional’ foods and drug products.”
Drug-induced liver injury caused by HDS can be severe or even fatal, leading to death or liver transplantation. (iStock)
“Manufacturers and distributors of dietary supplements and dietary ingredients are prohibited from marketing products that are adulterated or misbranded,” the agency says. “That means that these firms are responsible for evaluating the safety and labeling of their products before marketing to ensure that they meet all the requirements of the Federal Food, Drug, and Cosmetic Act as amended by DSHEA and FDA regulations.”
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Fox News Digital reached out to several researchers and the FDA regarding the rise in drug- and HSD-related liver injury.
Health
One walking habit could signal a healthier brain after 80, scientists say
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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.
COMMON VITAMIN MAY INFLUENCE BRAIN AGING IN WAYS SCIENTISTS DIDN’T EXPECT
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.”
Health
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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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