NEW YORK — In the opening moments of ABC’s “20/20″ on Friday, a 21-year-old blonde named Ashley says in her suburban Minneapolis bedroom, “I don’t look like a heroin addict.” It’s a pointed introduction to an hourlong special about the phenomenon of suburban youngsters being targeted by drug dealers as consumers of a potent form of heroin that doesn’t need to be injected. “I’ve never ... Jump to full article >>

Does your teenage or college-age daughter read fashion magazines such as Glamour or Vogue? Does she smoke? If the answer to both of those questions is yes, she may have been influenced by a series of advertisements for Camel cigarettes that appeared in those and other magazines in 2007, a new study suggests. The four largest tobacco companies in the United States—including R.J. Reynolds, the maker of Camels—are prohibited from “directly or ... Jump to full article >>

Teenage cannabis smokers who carry on using the drug in adulthood are more likely to suffer from hallucinations or paranoid delusions, research suggests. Teenagers who started smoking the drug when aged just 15 were twice as likely to suffer ‘non-affective psychosis’ and four times more likely to suffer delusions after six years than those who abstained. Scientists at the University of Queensland in Australia examined 3,081 adults b ... Jump to full article >>