Drinking just a cup of coffee a day could be enough to help protect against a common heart condition that affects more than 10 million Americans, a new study has found.
Atrial fibrillation, also known as A-Fib, is a disorder that can result in sudden heart death, heart failure and strokes. The number of people living with A-Fib has also been increasing in recent years, as more obesity levels and the age of the population rise.