Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes aged 50 or older, potentially increasing their risk of sudden cardiac death, according to a small study published in Circulation: Cardiovascular Imaging, an American Heart Association journal.

In a major advance for patients with Crohn’s disease, a new study led by researchers at Mount Sinai Health System found that guselkumab, a medication with a mechanism of action that is new to inflammatory bowel disease (IBD) treatment, outperformed an established standard of care in promoting intestinal healing and symptom relief.

Swollen legs led to President Donald Trump being diagnosed with what’s called chronic venous insufficiency. It’s a fairly common condition among older adults but requires a thorough checkup to rule out more serious causes of swelling in the legs. Here are some things to know.

The odds of patient complications following high-risk surgeries are lower when the surgeon and anesthesiologist have prior experience working together, according to a new study by researchers at ICES, Sunnybrook Research Institute and the University of Toronto.

Researchers have shed new light on the most common genetic variant linked to hereditary cancer in Quebec’s French-Canadian population. Their findings could result in cheaper and more effective screening methods.