More toddlers and preschoolers are overdosing on opioids — In recent years, rates of toddlers and preschoolers hospitalized for opioid overdoses more than doubled, according to a new study. In fact, overdoses rose more than 100% over a 16-year period among all children, the study published in JAMA Pediatrics Oct. 31 showed. Researchers from Yale School of Medicine analyzed national data from the Kids’ Inpatient Database on children admitted to U.S. hospitals for opioid poisoning. The study focused on more than 13,000 records from patients ages 1 to 19 between 1997 to 2012. What's to blame? Possibly the increase of prescribed pain killers, including OxyContin and Vicodin. Research from 1999 to 2010 show retail sales of prescription opioids quadrupled."Even in children younger than 6 years,