Atrial Fibrillation More Dangerous for Younger People Than Previously Believed: Study Reveals Atrial Fibrillation More Dangerous for Younger People Than Previously Believed: Study Reveals Recent research has shown that atrial fibrillation (Afib), a common type of arrhythmia, is more dangerous in people under 65 than previously believed. This new study, published in Circulation Arrhythmia and … Continue reading Atrial Fibrillation More Dangerous in Younger Population Than Previously Thought: UPMC Study