What is atrial fibrillation and how is it treated? - Atrial fibrillation, or A-fib, is becoming more common, but doctors say ...

Valvular atrial fibrillation (A-fib) involves a condition that leads to an irregular or abnormal heart rhythm. This can increase a person’s risk of cardiovascular complications, such as stroke.

By Dr. Sanchari Sinha Dutta, Ph.D. A randomized trial suggests that avoiding coffee after cardioversion may not help, and that modest caffeine intake may actually be associated with fewer atrial ...

Running has so many health benefits, it’s counterintuitive to consider any negative effects endurance training may have on the body. However, research suggests that some runners may be at higher risk ...