According to CBS the FDA investigating 13 deaths tied to 5-hour Energy.

"The U.S. Food and Drug Administration confirmed on Wednesday the receipt of reports that another caffeine drink, 5-hour Energy, may have been involved in a number of deaths - in this case 13 over the past four years. The reports were first detailed by the New York Times on Wednesday. The news follows the FDA's disclosure last month that it was investigating reports of five deaths that may be related to Monster Beverage's namesake drinks.

This kind of worries me I drink these every night before I go on the air. Do you drink these and are you worried ? I'm sure alcohol and other things we consume everyday are responsible for far more deaths.