Back on the right heartbeat; the new cost of taking Accutane; knee-jerk surgery isn't a good idea; eat salmon, be happy (US News & World Report)
Atrial fibrillation--an irregular heartbeat that results from an out-of-control quivering of the heart's upper chambers--puts more than 2 million Americans at serious risk of heart failure, stroke, and death. Drugs don't always work, and they have side effects.