An estimated 650,000 people in Japan abused nonprescription drugs for purposes such as getting high in the past year, with the highest rate of use among teenagers, the first nationwide research by the health ministry showed Saturday.The study, released amid growing concerns over drug overdoses, especially among young people, found that 0.75 percent of the population between 15 and 64, equivalent to 650,000 people, used over-the-counter drugs, including cough suppressants and painkillers, for unintended purposes.By age bracket, the highest rate of abusive use was predicted among those aged 1…READ FULL ARTICLE