Coffee may have powerful effect on liver health, major study suggests

The health benefits of morning coffee may go beyond a wake-up call, according to a massive new study linking the beverage to a significantly lower risk of severe liver disease, liver cancer and liver-related death.

Published in the journal Clinical Gastroenterology and Hepatology, the research used data from 354,957 participants enrolled in the UK Biobank.

Researchers tracked individuals who had no history of cirrhosis or liver cancer at the start of the study for an average of 13 years, according to a press release.

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Participants who drank one to two cups of coffee daily showed a 20% lower risk of developing cirrhosis and a 31% lower risk of liver-related mortality compared to non-coffee drinkers.

The protective effects became even more noticeable at higher levels of consumption.

Individuals who drank five or more cups of coffee per day experienced a 32% reduction in cirrhosis risk, a 42% lower risk of liver-related death and a 47% lower risk of developing hepatocellular carcinoma, the most common form of primary liver cancer.

While previous studies have hinted at coffee's positive relationship with liver health, this study provides biological evidence to support the statistical trends, the researchers said.

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To better understand why coffee may protect the liver, the researchers conducted additional analyses using imaging data from a subgroup of nearly 29,000 participants and blood samples from approximately 50,000 individuals.

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That data showed that heavy coffee drinkers had significantly lower levels of liver fat and liver iron, as well as lower odds of developing fibroinflammation, which is the scarring and inflammation that often precedes permanent liver damage.

The blood analysis linked coffee consumption with lower levels of some proteins known to trigger inflammation and tissue scarring, along with higher levels of proteins essential for healthy liver function.

Notably, the study found that the liver-protective benefits were similar for both caffeinated and decaffeinated coffee, suggesting that these benefits are driven by naturally occurring compounds not related to caffeine.

While the benefits persisted regardless of whether the coffee was consumed black or with sweeteners, the researchers observed that adding sugar or artificial sweeteners slightly weakened the beneficial effects, particularly concerning markers of liver inflammation.

While these findings suggest that coffee consumption is an accessible dietary habit for supporting liver health, the authors noted that it should serve as a complement rather than a replacement for standard preventative health practices.

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Because the research relied on self-reported dietary questionnaires from the UK Biobank, the findings could be susceptible to changes in participants' coffee-drinking habits over the 13-year follow-up period.

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Additionally, as an observational study, it can only establish a strong correlation and cannot prove cause and effect, as other factors may influence the outcomes.

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Parasitic infection causing ‘explosive’ stomach illness exceeds 1,000 cases in northern state

Cases of cyclosporiasis infections are rising across America, with more than 1,000 people diagnosed in Michigan and more than 500 in Ohio.

This is the largest outbreak of its kind in Michigan's history and one of the country’s largest in years, according to the Associated Press.

The parasitic infection can cause weeks of watery diarrhea. The source of the infections has not been identified and no deaths have been reported.

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Michigan officials announced the outbreak last week following the identification of more than 170 cases since June 22 in the southeastern part of the state. Typically, only about 50 cases are identified in Michigan each year, according to AP.

Similar illnesses have been reported in 28 other states, including neighboring Ohio, where diagnoses have popped up across the Michigan border.

Cases have been climbing since the CDC identified an uptick in infections in mid-June, with illnesses now reported in dozens of states.

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Michigan has now reported more than 1,200 cases and at least 40 hospitalizations. In Ohio, northwest counties have identified more than 500 cases, including at least 306 in Lucas County, according to the latest available local figures.

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Texas has reported at least 48 cases, and illnesses have been identified in numerous other states as health officials investigate the source.

The hallmark symptom of a cyclospora infection is watery, often "explosive" diarrhea that can last for weeks or even months if left untreated, the CDC says.

Other symptoms include severe abdominal cramping, bloating, nausea, fatigue and significant weight loss.

The official outbreak season for the parasite runs from May 1 through Aug. 31, a window where warmer temperatures historically coincide with a spike in infections, according to the CDC.

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While the infection can sometimes clear up on its own, it frequently requires antibiotics. The CDC advises anyone experiencing symptoms of cyclosporiasis to contact a healthcare provider for testing and treatment.

The CDC, alongside the Food and Drug Administration and state health officials, is actively investigating several multistate clusters, but they have yet to find a cause behind the spread.

Past infections have reportedly been linked to consuming contamined fruits or vegetables, or being exposed to contaminated irrigation water.

Fresh produce should be washed thoroughly before being eaten, although this may not eliminate the risk of infection, the AP noted.

Michigan officials recommend purchasing salad mixes or whole heads of lettuce instead of pre-washed, bagged lettuce. Remove two to three leaves from the outer layer of the lettuce head before washing and cook vegetables when possible.

Fox News Digital's Khloe Quill contributed to this report.

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Eating common dairy food every day may slow biological aging, study suggests

A simple lifestyle adjustment could potentially slow down the body's biological aging process, according to new research.

The study, published in the journal Aging, investigated how a diet change and easy exercise regimen affected men between the ages of 50 and 74 over a three-month period.

Researchers designed a clinical trial involving 48 overweight men in Japan. Over a 12-week period, half of the participants followed a strictly structured wellness routine, while the other half maintained their usual habits.

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For the intervention group, the routine required consuming 100 grams of plain yogurt every day.

This group also received individualized dietary counseling that advised them to curb overeating, avoid excessive snacking and cut out sugary drinks.

They were also instructed to walk or use a stepper machine for roughly 30 minutes a day, at least three days each week.

To measure the impact of these changes, the scientists collected blood samples from all participants before and after the study, and also analyzed DNA for chemical changes that act as indicators of cellular age.

Specifically, they used a measurement tool called DunedinPACE. Rather than assessing a person's chronological age in years, this tool calculates the precise rate at which an individual’s body is currently aging.

The men who consumed the probiotic yogurt, adjusted their diets and exercised showed a statistically significant reduction in their pace of aging compared to the control group, the researchers said.

On average, the speed of their biological aging slowed by approximately 2.2%. This reduction is roughly comparable to the slowing of biological aging observed in a previous two-year U.S. study, in which participants reduced their daily calorie intake by 25%.

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This reduction in aging speed happened independently of weight loss , meaning it did not directly correlate with changes in the participants' body mass index or the exact number of exercise sessions they logged.

The researchers also recorded a noticeable improvement in a specific DNA marker that is linked to kidney function.

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Because this study combined three distinct factors — probiotics, diet and exercise — the authors concluded that the anti-aging benefits cannot be attributed to any single component. Instead, the slowed aging rate appears to be the result of a combined effect.

The researchers also acknowledged clear limitations of the study, including its small sample size and short duration. Also, the participant pool was restricted to overweight men of a single nationality.

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More research is needed to determine whether these short-term biological shifts can translate into permanent, long-term health benefits, the study stated.

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Dr Oz links obesity to chronic disease surge, says GLP-1s can 'jumpstart' better health

GLP-1 weight-loss drugs have become a prevalent part of American healthcare, and the current administration is getting behind the movement.

In an exclusive interview with Fox News Digital at the Great American State Fair in Washington D.C. on July 6, CMS Administrator Dr. Mehmet Oz voiced his support for the use of GLP-1 (glucagon-like peptide-1) medications, like Ozempic, for appropriate uses.

"I'm a fan of GLP-1 drugs when used correctly," he said. "They do help people who are overweight lose weight quite effectively. They're not a replacement for diet and exercise, but they might jumpstart the system so it’s easier for you to use healthier tactics."

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This is especially helpful for those who may have trouble moving due to joint pain or are experiencing internal dysfunction, the doctor said.

Certain GLP-1 drugs are covered by Medicare for overweight candidates with certain conditions, like high blood pressure and diabetes, and Oz projected the benefits will continue to benefit taxpayers.

"We believe these are so effective in reducing conditions like high blood pressure and diabetes that they'll actually save money for the federal taxpayer, because [they're] going to make you healthy enough that you don't have to consume health services," the doctor said.

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"We think about 70% of all the money we spend on healthcare is caused by chronic conditions, and obesity is the No. 1 driver of all that, so it’s a smart decision."

Oz recently announced the launch of the Medicare GLP-1 Bridge program, which will allow more seniors to access GLP-1 drugs for only $50 a month if they meet qualifying health criteria and receive prior authorization from a doctor.

"There are a lot of overweight people who don't have high blood pressure, diabetes or other conditions, so they don't get access to the drug normally," he said. "We want them to have the ability to use it as well."

Although these access shifts could boost Americans' overall health — and in some cases could be lifesaving — Oz noted that there is "no silver bullet" when it comes to these medications.

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"I love the fact that the innovation that's coming out of pharmaceutical companies is allowing us to save lives and make lives better," he said. "But the real secret to longevity is eating right, exercising, sleeping, dealing with the stress of your life, finding some purpose in your existence [and] realizing you have agency over the future."

"These are things that your mom would have told you [and that] you don't need a doctor to be emphasizing."

While GLP-1s may not be a fix-all, combining these medications with foundational health practices "makes a lot of sense," Oz said.

"I don't want people being fat-shamed ... I don't want you feeling guilty that you're gaining weight even though everyone else around you seems to have figured it out," he said. "It's not that simple — our set points for hunger are different. We have different things going on in our lives."

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"But if you realize how precious you are — the temple of the soul is so valuable. It's the greatest gift your parents ever gave you, and you take advantage of every tool out there to make it work … which includes using medications when appropriate. That, to me, is MAHA."

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Katie Couric couldn't remember the year or the president during frightening brain episode

Journalist Katie Couric is sharing a scary medical episode that she experienced on June 27.

In a post on Substack titled "The Day I’ll Never Remember," she detailed a sudden episode that left her unable to recall the current month, year and president.

"I thought it was 2024. And I believed Joe Biden was president," she wrote.

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The event occurred while Couric was attending the Aspen Ideas Festival in Colorado, during which she participated in two public panels — one on AI and one on journalism — both of which she cannot remember at all.

"I have no idea what we talked about, or of what occurred when the panels ended," she said.

John Molner — Couric’s husband, who was in attendance at the festival and the two panels — also shared his account.

After the event, someone told Molner that Katie wasn’t feeling well. When he reached her, an EMT and a doctor were tending to her. "I could tell something was off," he wrote. "It could have been altitude sickness, but Katie was definitely not all there."

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At the hospital, when Couric struggled to recall the year, the president and her grandchildren’s names, doctors began checking for a stroke.

An MRI revealed no signs of stroke, which was a relief, but "Katie’s ‘fog’ became a lot more apparent," Molner wrote.

"She repeatedly asked me the same questions: ‘What was I doing before we got to the hospital?’ ‘Why am I at the hospital?’"

Couric was ultimately diagnosed with transient global amnesia, a sudden, temporary episode of memory loss that prevents a person from forming new memories and may also erase some recent memories, according to Mayo Clinic.

It is not caused by a stroke, seizure or head injury, and it usually resolves completely within 24 hours.

"[It’s] just a very weird neural episode that’s pretty uncommon and, at least in most cases, is a ‘one and done’ experience," Molner said.

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Couric said she finally began feeling "like herself" again around 9 p.m., and went to sleep at 2 a.m.

As TGA leaves a "permanent gap in memory" for the duration of the episode and for hours beforehand, Couric said that from around noon on that day until at least 7 p.m. will remain a "big, black hole."

Data shows that approximately three to eight people per 100,000 will have an episode of transient global amnesia, with people 50 years of age and older at higher risk.

The specific cause of TGA is not known, but some experts believe it stems from a "temporary dysfunction in the brain’s hippocampus — the area responsible for creating new memories," Couric shared.

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"Doctors believe this is driven by brief interruptions in blood or oxygen flow, or microscopic spasm in the blood vessels."

Episodes could potentially be triggered by intense physical exertion, emotional distress, extreme temperature changes or migraines, experts say.

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Approximately 15% of patients will have a recurrence 10 years later.

"Why did this happen to me? Was the altitude an issue? Was I dehydrated? Tired? Stressed? The literature doesn’t seem to indicate that these are contributing factors, but the cause seems to be as mysterious as the brain itself," Couric wrote.

"All I know is that those hours will be forever lost. Someone described it as my brain failing to hit the ‘record button.’"

"While this was a freaky occurrence, it could have been much more serious. So ultimately, I’m relieved — even though several hours of a Saturday in June will always be missing for me."

Anyone who experiences sudden memory loss, confusion, difficulty speaking, weakness, numbness, vision changes, severe headache or other stroke-like symptoms should seek immediate medical attention or call 911, doctors advise.

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One walking habit could signal a healthier brain after 80, scientists say

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.

"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.

"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."

"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.

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.

"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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Dr Oz warns Medicare scammers are stealing billions — and your personal information could be next

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.

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."

"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."

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.

"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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