A concerning trend is emerging among young Americans that could be fueling a rise in a life-threatening medical complication.

The family of a 17-year-old cheerleader and tennis player who died from cardiomyopathy has filed a lawsuit against a distributor of the popular energy drink Alani Nu, alleging the girl's heart ...

Stress doesn’t just affect your mental health. High stress can increase your risk of having a heart attack, as can a sudden surge of excitement or fear. Whether it is short-term or chronic, stress can ...

Irregular heart rhythms in people with pulmonary arterial hypertension are linked to a greater risk of poor outcomes, a U.S.