Human heart

A man's blood pressure skyrocketed to dangerous levels after he took an herbal supplement touted for sexual enhancement.

Chemicals in sunscreen get into the blood at levels high enough to warrant further testing on their safety, according to a new FDA study.

A drug for erectile dysfunction may also help treat heart failure, a preliminary study in animals suggests.

It has four chambers, blood vessels and it beats — sort of.

This unusual condition went undetected during the woman's lifetime.

Eggs are back in the news, with a new study concluding that regular consumption of the beloved breakfast food may increase the risk of heart disease after all.

Heart attack rates are increasing in what may seem like an unlikely group: adults in their 20s and 30s.

The brain decreases its chatter, the heart weakens and balloons up

The man's blood fat levels were off the charts.

The ability to do a lot of pushups may be a sign not only of strength, but also of good heart health, a new study suggests.