A study of more than 2,400 people with atrial fibrillation, who had an average age of 73, found that drinking more than five cups of caffeinated coffee daily was associated with better performance on ...
What is atrial fibrillation? How common is AFib? Atrial fibrillation, also known as AFib or AF, is an arrhythmia explained by the Centers for Disease Control as occurring when the heart's "upper ...