Many soccer fans will be drinking alcohol and watching the World Cup. In heat, doing that is risky (opens in new tab)

It was early morning on a recent Saturday and The Greyhound Bar & Grill in Los Angeles was abuzz with soccer fans clapping, hooting and hollering. Drinking alcohol while watching sports is common in many countries, and millions of soccer fans will be doing so this summer during the FIFA World Cup games in Mexico, Canada and the United States. Here's what to know about the science of extreme heat and drinking alcohol, plus tips from experts if you’re going to be drinking while watching soccer ...