In a scientific “first,” a tiny heart structure composed of human cells has been successfully grown within a pig embryo.

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

Article Published: February 2007 Chimerism and microchimerism of the human heart: evidence for cardiac regeneration Antoni Bayes-Genis, Santiago Roura, Cristina Prat-Vidal, Jordi Farré, Carolina ...

Some residents of several major cities in the Midwest could face an increased risk of heart attack and stroke as smoke from Canadian wildfires continues to descend into the United States this week ...