You may have heard that Monster energy drinks are under FDA investigation after being cited in five deaths and one heart attack. There’s also a wrongful death lawsuit against Monster, filed by the parents of 14-year-old Anais Fournier, who died due to caffeine toxicity. Yet as more details about these deaths comes out, it seems less clear exactly where fault lies — and how dangerous (or not) these drinks are. One 24-ounce can of Monster contains 240 milligrams of caffeine, about the same as one to two 8-ounce cups of coffee  – and significantly less than a venti at Starbucks, which comes in around 415 milligrams. More »