Sports drinks corrode your teeth

Dental experts placed teeth in sports drinks and in water to compare the effects, and they found the sports drinks caused corrosion that could result in severe tooth damage if left untreated. Brushing teeth immediately after the drinks would actually compound the problem, because the citric acid in the drink softens tooth enamel, leaving it vulnerable to abrasive brushing. To read more, http://articles.mercola.com/sites/articles/archive/2009/04/23/Sports-Drinks-Rot-Your-Teeth.aspx