Mexico's Sugary Drink Tax is Working, Study SuggestsSales of sugary drinks dropped in Mexico after the government taxed the sweet stuff.Various bottles of soda are displayed in a cooler at Marina Supermarket on July 22, in San Francisco, Calif. Justin Sullivan / Getty Images fileUpdated Jan. 7, 2016, 8:07 AM EST / Source: Time.comSales of sugary drinks dropped in Mexico after the government taxed the sweet stuff.Read more here.