Heart study flags dangerous rhythm risk for endurance athletes over 50 By Peter Burke Fox News Published January 17, 2026 12:27pm EST

Heart study flags dangerous rhythm risk for endurance athletes over 50 Study suggests exercise may trigger abnormal rhythms in athletes with existing heart scarring By Peter Burke Fox News Published January 17, 2026 12:27pm EST https://www.foxnews.com/health/heart-study-flags-dangerous-rhythm-risk-endurance-athletes-over-50