cardiac health

The story of MitraClip, a device Dr. Oz helped invent to treat faulty heart valves, is a cautionary tale about the science, business and regulation of medical technology.

Research showed that for up to a year after a bout of COVID, some people can develop problems ranging from blood clots to irregular heartbeats to a heart attack. It's not clear why.

What kind of heart check-up do young athletes need to make the team? A large study of teenage soccer players in England found in-depth screening didn't...