Though an estimated 60 million people around the world have atrial fibrillation, or A-fib, a type of irregular and often fast ...

Tucked in the basement of the Mayo Building on the University of Minnesota’s Twin Cities campus sits a detached, beating pig’s heart floating in clear liquid. Graduate and undergraduate students ...

Read full article: Yes, allergy season is getting longer – here’s why A doctor listens to a woman's lungs. Read full article: 5 reasons nonsmokers get diagnosed with lung cancer The control screen of ...

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 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 ...