Energy drinks are increasingly popular, promising an instant boost of energy, enhanced focus and improved performance. Many people reach for these beverages during long work hours, intense workout sessions or late-night study periods. But while they may deliver that much-needed jolt, these highly caffeinated drinks can have significant effects on...

Less commonly called cerebrovascular accidents (CVAs), strokes occur when blood flow to parts of the brain is cut off, depriving the brain of oxygen. While not all strokes are deadly, many have been known to lead to permanent damage and even disability. The problem, however, is knowing what to...