As the temperatures rise, U.S waterways are expected to host a new threat. According to an upsetting article published in The Verge, health officials have instructed vacationers to think twice before cooling off in a local lake, as accidentally inhaling a splash of water may cut the summer short in a rather dark way.
http://www.medicaldaily.com/articles/16950/20130627/global-warming-heats-waterways-brain-eating-amoebas.htm