Recently, researchers in Britain set out to study the heart health of a group of dauntingly fit older athletes. Uninterested in sluggards, the scientists recruited only men who had been part of a British national or Olympic team

Samantha Monarez-Jones was hooked from the first moment she tasted a Monster energy drink two years ago.

You are sleeping and your calf starts to twitch. The musculature suddenly contracts and you feel a stabbing pain. Though calf cramps can happen to anyone, athletes and older people are affected more frequently. Most muscle cramps occur after a long period of rest or during strenuous exercise. In some cases a serious medical condition is the cause.