In this March 30, 2012, photo, Makenzie Emerson, 19, of East Islip, N.Y., poses for a photograph, at Daytop Suffolk Outreach center in Huntington Station, N.Y. Emerson had developed an addiction to pain killers and has recently completed treatment at the center. Sales of the nation?s two most popular prescription painkillers have exploded in new parts of the country, an Associated Press analysis shows, worrying experts who say the push to relieve patients? suffering is spawning an addiction epidemic. From New York?s Staten Island to Santa Fe, N.M., Drug Enforcement Administration figures show dramatic rises between 2000 and 2010 in the distribution of oxycodone, the key ingredient in OxyContin, Percocet and Percodan. (AP Photo/John Dunn)