The human heart beats 60-100 times a minute, without you needing to pay any attention to it. Heart function is controlled by ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Researchers grew a piece of a human heart in a lab. The new model isn't an entire heart. Instead, it's a model of the ventricle, one of the heart's major parts. The researchers say they reverse ...

A normal resting heart rate ranges from 60 to 100 bpm. Sudden increases can be triggered by stress, dehydration, or stimulants, says a heart specialist. Have you ever experienced a sudden increase in ...

Researchers have reported growing hearts containing human cells in pig embryos for the first time. The embryos survived for 21 days, and in that time their tiny hearts started beating. The findings ...