Medical Study Shows 34% Rise in Cases of Pediatric Marijuana Exposure As more Colorado adults become comfortable with marijuana in their homes, more young children are ingesting the drug, a new study reports. The JAMA Pediatrics report notes Colorado saw an increase of pediatric marijuana cases by 34% annually, compared with 19% for the rest of the USA. Coloradans are baking marijuana into chocolate chip cookies, brownies and pies and adding it to candy fruit chews and chocolate bars - all sweets that toddlers find irresistible. And, the edibles market is still in its infancy. [continues 152 words]