title: The changing lives of teens. Kids have cut some risky behaviors--and picked up others.
authors.forename: Alice
authors.initials: A
authors.lastname: Park
authors.forename: Alexandra
authors.initials: A
authors.lastname: Sifferlin
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D005260:Female; D015438:Health Behavior; D006801:Humans; D008297:Male; D040242:Risk Reduction Behavior; D012309:Risk-Taking