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Red meat-related gut byproduct tied to higher atrial fibrillation risk

https://medicalxpress.com/news/2026-07-red-meat-gut-byproduct-higher.html

Published: July 24, 2026 12:00

A Cleveland Clinic-led study shows a connection between elevated blood levels of TMAO (trimethylamine N-oxide)—a byproduct of gut bacteria digestion of nutrients found in red meat and other animal products—and a higher risk of atrial fibrillation.

Natural clotting 'switch' may one day reduce reliance on blood thinners to prevent heart attacks and strokes

https://medicalxpress.com/news/2026-07-natural-clotting-day-reliance-blood.html

Published: July 23, 2026 18:00

Cardiovascular conditions such as strokes or heart attacks are among the most common causes of death in Germany. Today, treatment and prevention are primarily based on so-called platelet aggregation inhibitors and anticoagulants—types of medication…

Misfolded DNA blueprint: A new origin for genetic disease

https://medicalxpress.com/news/2026-07-misfolded-dna-blueprint-genetic-disease.html

Published: July 23, 2026 17:40

Congenital heart disease is the most common birth defect, affecting approximately 1 in 100 babies born each year. One of the many causes of this disorder is having only one functional copy of the gene TBX5, rather than the two healthy copies inherited from…

Burden of myocardial dysfunction elevated for individuals with psoriasis

https://medicalxpress.com/news/2026-07-burden-myocardial-dysfunction-elevated-individuals.html

Published: July 23, 2026 16:20

Individuals with psoriasis have a higher burden of myocardial dysfunction, independent of cardiometabolic risk, according to a study published online July 17 in the Journal of the European Academy of Dermatology and Venereology.

Gene regulation map reveals treatment targets for heart failure

https://medicalxpress.com/news/2026-07-gene-reveals-treatment-heart-failure.html

Published: July 23, 2026 15:40

Researchers from the University of California San Diego have created the most detailed map to date of how gene regulation breaks down in human heart failure, revealing how genes are controlled in specific cell types as the disease develops and pointing to…

Why air travel can be so hard on the body

https://medicalxpress.com/news/2026-07-air-hard-body.html

Published: July 23, 2026 13:40

At any given time, hundreds of thousands of people are traveling by air. For many, these journeys will pass without consequence. But for some, a routine flight may trigger a health emergency.

Modifiable cardiovascular risk factors may drive dangerous plaque buildup in coronary arteries

https://medicalxpress.com/news/2026-07-cardiovascular-factors-dangerous-plaque-buildup.html

Published: July 23, 2026 11:00

Cardiovascular risk factors are linked to a higher risk of heart disease, but it has been unknown how they are related to abrupt closure of the coronary arteries leading to heart attack and sudden cardiac death. A study by Mass General Brigham Heart and…

Artery-on-a-chip helps predict stroke risk

https://medicalxpress.com/news/2026-07-artery-chip.html

Published: July 23, 2026 11:00

Predicting an individual's risk of ischemic stroke is difficult because thrombosis embolization—the process of a blood clot detaching from the area where it formed, traveling and then sticking in another blood vessel—is based on factors unique to each…

How the heart's 'little brain' helps it function and protects it against stress

https://medicalxpress.com/news/2026-07-heart-brain-function-stress.html

Published: July 23, 2026 10:28

For years, scientists have known that the heart has its own network of nerves, the intrinsic cardiac nervous system (ICNS), sometimes called its "little brain." Exactly how it functions has remained something of a mystery, but a new paper published in the…

Availability of generic semaglutide removes barrier to affordable diabetes care, experts predict

https://medicalxpress.com/news/2026-07-availability-generic-semaglutide-barrier-diabetes.html

Published: July 22, 2026 00:00

In a novel analysis examining the economic implications of generic semaglutide entering the Canadian market, researchers predict that anticipated price reductions of up to 70% will dramatically increase both the cost-effectiveness and health system…

Women with PMOS at four-fold higher risk of heart disease

https://medicalxpress.com/news/2026-07-women-pmos-higher-heart-disease.html

Published: July 21, 2026 22:20

Women with polyendocrine metabolic ovarian syndrome (PMOS; also known as polycystic ovary syndrome or PCOS) face a fourfold higher risk of heart disease than women without PMOS, according to a new nationwide U.S. study published in The Lancet Obstetrics,…

Latest evidence on risk factors, early intervention, and strategies to prevent heart failure before symptoms develop

https://medicalxpress.com/news/2026-07-latest-evidence-factors-early-intervention.html

Published: July 21, 2026 21:20

Heart failure already affects more than 60 million people worldwide and is one of the leading causes of hospitalization among people 65 and older. Although it is commonly associated with advanced cardiovascular disease, it actually develops over many…

Hemodialysis mortality risks by blood type

https://medicalxpress.com/news/2026-07-hemodialysis-mortality-blood.html

Published: July 21, 2026 18:00

Do you know your blood type? It is important information used for blood transfusions, but few realize that blood types could also be linked to disease risks. In the general population, people with blood type O have been reported to have a lower risk of…

Heart risk tools predict certain cancers about as well as they predict heart disease

https://medicalxpress.com/news/2026-07-heart-tools-cancers-disease.html

Published: July 21, 2026 16:00

Risk calculators that doctors use to estimate a person's risk of a heart attack or stroke work about as well for predicting certain cancers, according to a new study by UCL (University College London) researchers. The tools, used widely by primary care…

Perimenopause and heart health: When chest symptoms need urgent attention

https://medicalxpress.com/news/2026-07-perimenopause-heart-health-chest-symptoms.html

Published: July 21, 2026 15:20

A racing heart can be frightening at any age. Palpitations are common during perimenopause and may occur alongside hot flashes, anxiety and disturbed sleep. In many cases, they do not indicate a serious heart problem, but they should not automatically be…

Study finds 1 in 3 Americans without heart disease miss new cholesterol goals—and 3 in 4 go untreated

https://medicalxpress.com/news/2026-07-americans-heart-disease-cholesterol-goals.html

Published: July 21, 2026 14:40

A new study by investigators from Mass General Brigham finds that nearly 1 in 3 U.S. adults without heart disease—and almost 4 in 5 of those who have already had a heart attack, stroke or other cardiovascular event—have LDL, or "bad," cholesterol levels…

Pregnancy complications linked to long-term risk of peripheral artery disease

https://medicalxpress.com/news/2026-07-pregnancy-complications-linked-term-peripheral.html

Published: July 21, 2026 14:00

Women who experience pregnancy complications such as gestational diabetes, preeclampsia or preterm delivery have a significantly increased long-term risk of developing peripheral artery disease (PAD) later in life, according to a new study published in…

Sudden cardiac death condition shown to have linked genetic variations

https://medicalxpress.com/news/2026-07-sudden-cardiac-death-condition-shown.html

Published: July 21, 2026 05:00

Scientists have found that the "sudden" cardiac death condition related to high-profile deaths or major medical episodes of sports stars including Fabrice Muamba, Christian Erikson and Mark-Vivian Foe, has numerous linked gene variations that highlight a…

More than half of US adults now eligible for statins under new guidelines, study finds

https://medicalxpress.com/news/2026-07-adults-eligible-statins-guidelines.html

Published: July 20, 2026 11:00

More than half of U.S. adults ages 30 to 79—about 87.5 million people—are now recommended for statins to prevent cardiovascular disease under newly updated clinical guidelines, according to a study by University of Pittsburgh School of Medicine researchers…

Weight around the belly is a better predictor of heart health than BMI, research indicates

https://medicalxpress.com/news/2026-07-weight-belly-predictor-heart-health.html

Published: July 20, 2026 07:40

Individuals with overweight or obesity can have a higher risk of heart disease despite appearing to be healthy, new research presented at the International Congress on Obesity in Mexico City (15–17 July) shows. Using waist-based measurements along with…

Coffee and heart health: How many cups of caffeinated coffee are safe to drink each day?

https://medicalxpress.com/news/2026-07-coffee-heart-health-cups-caffeinated.html

Published: July 20, 2026 05:00

Previous studies have found that caffeine is the world's most popular stimulant and psychoactive substance, and coffee is the most common way people consume caffeine. The latest research supports the conclusion that, for most adults, consuming up to 400 mg…

Study shows where women live can shape heart health for decades

https://medicalxpress.com/news/2026-07-women-heart-health-decades.html

Published: July 18, 2026 04:30

Women who live in disadvantaged neighborhoods face worse heart health and experience faster declines as they approach menopause, according to a long-term study led by the Harvard Pilgrim Health Care Institute.

Two studies advance sudden cardiac arrest prediction

https://medicalxpress.com/news/2026-07-advance-sudden-cardiac.html

Published: July 17, 2026 09:40

Warning symptoms, recurrent heart events may identify people at risk for this often-deadly event. Two studies from investigators at Cedars-Sinai Health Sciences University move the medical field closer to solving a longstanding challenge: predicting who is…

Experimental drug may protect the heart in Duchenne muscular dystrophy

https://medicalxpress.com/news/2026-07-experimental-drug-heart-duchenne-muscular.html

Published: July 17, 2026 08:40

Researchers at the USF Health Morsani College of Medicine have identified a potential pathway that could protect cardiac function in people with Duchenne muscular dystrophy (DMD), a progressive and fatal genetic disease that weakens the body's muscles.…

A clear message—wildfire smoke plus summer heat is double trouble for heart health

https://medicalxpress.com/news/2026-07-message-wildfire-summer-heart-health.html

Published: July 17, 2026 08:00

Parts of the U.S. are experiencing smoke from Canadian wildfires drifting down and rising summer temperatures, creating a potentially deadly situation, according to the American Heart Association, a relentless force changing the future of health for…