Dr. Rod Passman, Director, Center for Arrhythmia Research, Northwestern Medicine, joins John Williams to talk about how many people in the U.S. are living with atrial fibrillation, the most common symptoms of AFib, how AFib is sometimes asymptomatic, who is at most risk of Afib, the role wearables have in detecting AFib, what you can do to reduce your risk, and how atrial fibrillation is treated at Northwestern Medicine.