By Hunt Allcott, Benjamin B. Lockwood And Dmitry Taubinsky, Los Angeles Times (TNS) You might want to think twice before downing that 12-ounce can of Coke. Since sugary drinks can cause a host of health problems, drinking one sugar-filled soda ends up imposing about 10 cents of health costs on others because the resulting medical bills are paid through Medicare, Medicaid or private insurers. We came