It's been six days since Buffalo Bills player Damar Hamlin collapsed on the field in front of millions. Many feared the worst. But just two days after suffering a cardiac arrest, he woke up and has ...

Sarah Oppman walks us through how to use an AED machine.

A public awareness campaign helping the community understand "how to maintain and use defibrillators effectively" is expected to begin in the spring, Jersey's public health has said. It comes after a ...

Defibrillator use in cardiac arrest cases increases patient survival rates by between 49% and 75%, the government wants to ...

Jon LaPook, M.D. is the award-winning chief medical correspondent for CBS News. Since joining CBS News in 2006, LaPook has delivered more than 1,200 reports on a wide variety of breaking news and ...