reported on the death of a 21 year-old woman who died after drinking four cans of red bull as well as alcohol at "social levels". it was believed, but had not been proven, that she suffered from a rare heart condition called long qt syndrome. she was on medication for epilepsy. a medical examination found that there were no illegal drugs in her system. the article quoted a doctor as saying, "the qt levels may have grown over a few years, or it may have been artificially pushed over the limit by caffeine".