Sam Champion, 64, said he initially went to his doctor after experiencing shortness of breath and underwent multiple tests to ...

ABC News’ Sam Champion returned to "Good Morning America" on Wednesday morning after a recent medical procedure.

Breathlessness is a serious warning sign of heart or lung problems and should never be ignored. Experts debunk the viral ...

Learn when hypertrophic cardiomyopathy becomes severe and how a cardiologist guides you through heart transplant evaluation ...

In addition to allergies, COVID-19, RSV, influenza and a new Cicada COVID variant are on the rise. But which one do you have?

A cardiologist has issued a warning that it's possible to experience a heart attack without realising it. Approximately a ...

Six years ago this month, Florida schools and beaches closed, cruise ships reported their first COVID outbreaks, and shoppers ...

Heart attacks often present differently for women, with symptoms often being ignored or misdiagnosed. Dr London explains why they are more fatal in women.

At two years of follow-up, patients with a poorly functioning tricuspid valve in the heart who received optimal medical therapy plus a minimally invasive procedure using a clip to repair the valve ...

Doctors share why it’s still important to take the virus seriously.