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Cardiology news

Bariatric surgery more effective than GLP-1 drugs at preventing heart attacks, stroke and death in older adults

Metabolic and bariatric surgery offers significantly greater long-term protection against heart attack, stroke and death than widely used GLP-1 drugs in older adults with obesity and diabetes, according to a new real-world ...

Both very low and very high heart rates are significantly associated with stroke risk, study finds

A study presented at the European Stroke Organization Conference (ESOC) 2026 suggests that both very low and very high resting heart rates are linked with an increased risk of stroke. As the largest population-level study ...

Health care costs reach a breaking point

With health care costs constituting a major source of concern across the U.S., the American Heart Association, a relentless force changing the future of health for everyone, everywhere, today released a Presidential Advisory ...

Midlife fitness linked to longer, healthier lives

How fit you are in midlife may help determine not just how long you live, but how many of those years are spent in good health, according to a new study published today in the JACC. The study found that adults with higher ...

Redo mitral valve surgery outperforms transcatheter option

A new multicenter study published in The Annals of Thoracic Surgery finds that reoperative surgical mitral valve replacement (rSMVR) is associated with significantly better long-term survival compared to transcatheter mitral ...

Predicting who will develop blood clots

Blood clots that form in veins—known as venous thromboembolisms—are a leading cause of illness and death worldwide. Despite the serious threat they pose to human health, researchers have never fully understood why these clots ...

What science says so far about ketones and health

Google "what are the health benefits of ketones" and you'll get dozens of hits promising everything from epilepsy control to improved heart health to more effective muscle-building at the gym. Researchers at the University ...

How long does a transplanted heart last?

Heart transplant surgeon Raymond Lee, MD, explains what patients can expect after a heart transplant—including how long the heart will last. The average lifespan of a transplanted heart is about 10 years, though outcomes ...