title: Vulnerability, risk, and protection.
authors.forename: Robert William
authors.initials: RW
authors.lastname: Blum
authors.forename: Clea
authors.initials: C
authors.lastname: McNeely
authors.forename: James
authors.initials: J
authors.lastname: Nonnemaker
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology*; D015438:Health Behavior; D006801:Humans; D012306:Risk; D012307:Risk Factors; D012309:Risk-Taking