Caffeine can boost exercise performance, but watch the dosage
By Howard LeWine, M.D., Harvard Medical School Q: A friend drinks a cup of coffee one hour before exercise. She claims it improves her performance. Is this true? A: Yes, assuming she drinks caffeinated coffee. A cup of decaf might make her think she’s exercising harder, but it’s the caffeine that boosts performance. Caffeine’s positive […]
