Edible marijuana products are pictured on display at a medical marijuana dispensary in Denver on Friday, April 18, 2014. Many of the items are far more potent than a single marijuana joint. Two recent deaths have raised concerns about Colorado's recreational marijuana industry and the effects of the drug, especially since cookies, candy and other pot edibles can be exponentially more potent than a smoked joint. (AP Photo/Ed Andrieski)
Read: Colorado Deaths Stoke Fears About Pot Edibles
Edible marijuana products are pictured on display at a medical marijuana dispensary in Denver on Friday, April 18, 2014. (AP Photo/Ed Andrieski)
