Plant-based diets may be best for cutting your risk for heart disease, according to new research that finds eating protein-rich foods may do the opposite.

"I think there has been a belief that variability is a chance phenomenon, but this research indicates maybe not. Variability matters."

Altering 1 protein in the heart may prevent heart disease related to Duchenne muscular dystrophy, research in mice shows.

Healthy sleep patterns may help offset the risk of heart disease and stroke, even in people who are genetically predisposed to the conditions.

Certain cells in the blood after exercise could signal which patients with coronary artery disease are most at risk for heart attack and other problems.

The American Heart Association guidelines for heart disease risk should include where a person carries excess weight on their body, a new study suggests.

"For patients with severe but stable heart disease who don't want to undergo these invasive procedures, these results are very reassuring..."

Women who've given birth five or more times may face more heart disease risk factors than women who've given birth fewer times.

The drug mexiletine is the go-to drug for people with arrhythmia, but it doesn't work for everyone. A new mathematical model may improve outcomes.