People who floss their teeth at least once a week are reducing their risk of stroke caused by a blood clot, researchers are scheduled to report Wednesday.

Flossing your teeth at least once a week may be linked to a lower risk of stroke caused by a blood clot blocking brain blood flow and irregular heartbeats, according to a preliminary study presented at the American Stroke Association's International Stroke Conference 2025,

Poor oral health could be a potential risk factor for cardiovascular disease. New research shows that good oral health habits, such as flossing, may reduce the risk of stroke and atrial fibrillation (AFib).