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Treating gum disease could reduce risk of heart attacks and strokes, study suggests
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A deep clean at the dentist may benefit more than just your oral health.
In a two-year study of people with periodontitis or severe gum disease, researchers from University College London (UCL) found that those who got intensive treatment — a full-mouth deep cleaning with regular follow-ups — had slower thickening and clogging of a major neck artery and better blood-vessel function than those who only got routine cleanings.
The randomized controlled trial tracked 135 adults at UCL’s Eastman Dental Institute who had periodontitis, which can stem from poor oral hygiene, genetics, smoking or uncontrolled diabetes, according to the research published this month in the European Heart Journal.
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At 12 and 24 months, participants who received intensive deep cleanings showed less gum inflammation and fewer bacteria entering the bloodstream, and their arteries were healthier than those who got standard scale-and-polish care, which only removes plaque and tartar buildup.
A new study found that deep dental cleanings could benefit heart health. (iStock)
Dr. Marco Orlandi, co-author of the trial, said in a statement that the participants who received the intensive gum disease treatment had a 0.02 millimeter reduction in the thickening of their carotid arteries after two years.
“This is a significant result, as even a 0.01 millimeter reduction corresponds to a 10% decrease in cardiovascular disease risk, suggesting participants reduced their risk by around 10% each year,” Orlandi said.
Doctors track the thickness of the carotid artery wall as an early warning sign for clogged arteries that can lead to heart attacks and strokes. This study didn’t count actual heart events, but the artery changes, along with lower gum inflammation, suggest that improved oral health could help fight cardiovascular disease.
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All participants were otherwise healthy and not taking regular medication, helping researchers isolate the effects of gum disease treatment.
Researchers found that participants who received deep gum cleanings showed slower thickening of the carotid artery. (iStock)
“This is among the most robust evidence to date that oral and cardiovascular health are interconnected,” Professor John Deanfield, lead author of the study and director of cardiovascular prevention at UCL, said in a statement. “Addressing periodontitis could become a powerful tool in preventing serious heart and brain events such as heart attacks and strokes.”
Professor Francesco D’Aiuto, another of the study’s co-authors, added that medical and dental professionals should work more closely in recognizing and addressing the cardiovascular implications of gum disease.
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Periodontitis affects about 40% of adults worldwide and can cause bleeding, swelling and tenderness of the gums and tooth loss if untreated.
“Your gums are part of your vascular system,” Dr. Catrise Austin, a New York City cosmetic dentist and host of the “Let’s Talk Smiles” podcast, told Fox News Digital. “If they’re inflamed and bleeding, your arteries feel it.”
Experts recommend daily brushing, flossing and routine cleanings to reduce inflammation that can affect more than just your mouth. (iStock)
Austin, who was not involved in the study, said the findings are further proof that doctors and cardiologists should start paying closer attention to their patients’ gum health.
“Asking a simple question like, ‘Do your gums bleed when you brush?’ could help identify early signs of systemic inflammation long before more serious health issues arise,” she said.
For patients, she recommends brushing twice daily, flossing daily, getting regular professional cleanings, quitting smoking and managing conditions like diabetes.
“These steps not only protect your smile, they also lower inflammation that contributes to cardiovascular disease,” Austin said.
The study, supported by the National Institute for Health and Care Research (NIHR) and the NIHR UCLH Biomedical Research Center in collaboration with University College London Hospitals NHS Foundation Trust, adds to a growing body of research linking gum health to overall well-being.
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Earlier this year, an analysis of more than 500,000 people in the U.K. Biobank found that those with signs of gum disease, such as bleeding or painful gums, were more likely to have multiple chronic conditions, from diabetes to heart disease to depression.
The study measured carotid artery thickness, an early sign of heart disease. (iStock)
Much of the previous evidence was correlated, showing that people with gum disease tend to have higher cardiovascular risk, but it did not prove that treating gum disease reduces heart attacks or strokes.
Fox News Digital has reached out to the study’s authors for comment.
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As colorectal cancer (CRC) is now the leading cause of cancer death in adults under 50, a new report reveals some surprising shifts in the incidence of the disease.
Although rates of CRC have been declining among seniors, those 65 and under are facing a rise in diagnoses, according to a report titled Colorectal Cancer Statistics, 2026, from the American Cancer Society.
Adults 65 and younger comprise nearly half (45%) of all new colorectal cancer cases — a significant increase from 27% in 1995, states the report, which was published in CA: A Cancer Journal for Clinicians.
The disease is rising fastest among adults 20 to 49 years old, at a rate of 3% per year.
Colorectal cancer is now the leading cause of cancer death in adults under 50. (iStock)
Among adults 50 and under, 75% of colorectal cancers are diagnosed at an advanced stage. Half of the diagnoses in that age range are made between the ages of 45 and 49. Although that age group is eligible to receive routine screenings, just 37% do so.
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The report also revealed that rectal cancer is on the rise, now accounting for about one-third (32%) of all CRC cases — an increase from 27% in the mid-2000s.
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“After decades of progress, the risk of dying from colorectal cancer is climbing in younger generations of men and women, confirming a real uptick in disease because of something we’re doing or some other exposure,” said Rebecca Siegel, senior scientific director, surveillance research at the American Cancer Society and lead author of the report, in a press release.
Among adults 50 and under, 75% of colorectal cancers are diagnosed at an advanced stage. Half of the diagnoses in that age range are made between the ages of 45 and 49. (iStock)
“We need to redouble research efforts to understand the cause, but also circumvent deaths through earlier detection by educating clinicians and the general public about symptoms and increasing screening in people 45-54 years.”
It is projected that 158,850 new cases of colorectal cancer will be diagnosed this year, and that the disease will cause 55,230 deaths, per the report.
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More than half of CRC cases can be linked to high-risk behaviors, the researchers said. Those include lack of nutrition, high alcohol consumption, smoking, lack of exercise and obesity.
“These findings further underscore that colorectal cancer is worsening among younger generations and highlight the immediate need for eligible adults to begin screening at the recommended age of 45,” said Dr. William Dahut, chief scientific officer at the American Cancer Society.
When the disease is caught at a local (early) stage, the five-year survival rate is 95%. (iStock)
“The report also shines a light on the crucial importance of continued funding for research to help discover new therapies to treat the disease and advance patient care.”
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When the disease is caught at a local (early) stage, the five-year survival rate is 95%, the report stated.
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A new study suggests that middle-aged men may be more vulnerable to faster biological aging, potentially linked to exposure to “forever chemicals.”
The research, published in the journal Frontiers in Aging, examined how perfluoroalkyl and polyfluoroalkyl substances, more commonly known as PFAS, could impact aging at the cellular level.
PFAS are synthetic chemicals commonly used in nonstick cookware, food packaging, water-resistant fabrics and other consumer products, the study noted.
Their chemical structure makes them highly resistant to breaking down, allowing them to accumulate in water, soil and the human body.
Chinese researchers analyzed blood samples from 326 adults enrolled in the U.S. National Health and Nutrition Examination Survey between 1999 and 2000.
A new study suggests that middle-aged men could face accelerated biological aging at the cellular level due to exposure to PFAS. (iStock)
The researchers measured levels of 11 PFAS compounds in participants’ blood and used DNA-based “epigenetic clocks” — tools that analyze chemical changes to DNA to estimate biological age — to determine how quickly their bodies were aging at the cellular level, the study stated.
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Two compounds, perfluorononanoic acid (PFNA) and perfluorooctanesulfonamide (PFOSA), were detected in 95% of participants.
Higher concentrations of those chemicals were associated with faster biological aging in men of certain age groups, but not in women.
“People should not panic.”
The compounds most strongly linked to accelerated aging were not the PFAS chemicals that typically receive the most public attention, the researchers noted.
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“The associations were strongest in adults aged 50 to 64, particularly in men,” Dr. Xiangwei Li, professor at Shanghai Jiao Tong University School of Medicine and the study’s corresponding author, told Fox News Digital.
“While this does not establish that PFAS cause aging, it suggests that these widely present ‘forever chemicals’ may be linked to molecular changes related to long-term health and aging.”
The study found that two of the compounds were detected in 95% of participants, and higher levels were linked to faster biological aging in men ages 50–64. (iStock)
Midlife may represent a more sensitive biological period, when the body becomes more vulnerable to age-related stressors, according to the researchers.
Lifestyle factors, such as smoking, may influence biological aging markers, potentially increasing vulnerability to environmental pollutants.
While Li said “people should not panic,” she does recommend looking for reasonable ways to reduce exposure.
That might mean checking local drinking water reports, using certified water filters designed to reduce PFAS, and limiting the use of stain- or grease-resistant products when alternatives are available.
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Meaningful reductions in PFAS exposure will likely depend on broader regulatory action and environmental cleanup efforts, Li added.
The researchers noted that midlife could be a particularly sensitive stage, when the body is more susceptible to stressors associated with aging. (iStock)
Study limitations
The researchers outlined several important limitations of the research, including that the findings show an association, but do not prove that PFAS directly causes accelerated aging.
“The study is cross-sectional, meaning exposure and aging markers were measured at the same time, so we cannot determine causality,” Li told Fox News Digital.
The study was also relatively small, limited to 326 adults age 50 or older, which means the findings may not apply to younger people or broader populations.
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Researchers measured PFAS levels using data collected between 1999 and 2000, and today’s exposure patterns may differ.
Li added that while PFAS is known to persist in the environment and the body, these results should be validated through larger, more recent studies that follow participants over time.
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