“…However, some youth are at further risk because of individual, family, and community factors. Runaway and homeless youth, as well as thrownaway youth (those who are told to leave home or not allowed to return), are at especially high risk, 20,21 as are children with a history of sexual or physical abuse or neglect, 12 those from families with other dysfunction (eg, caregiver substance misuse, untreated psychiatric problems, intimate partner violence, criminality), 13 youth with a history of juvenile justice or child protective services (CPS) involvement, 22 and those who are lesbian/gay/bisexual/transgender or questioning. 12 Youth with substance use problems, behavioral and mental health problems, or learning disabilities may also be at increased risk, 13 as are girls associated with gangs 23 and children living in regions with high crime rates, adult prostitution, or poverty and areas with transient male populations (military bases, truck stops, convention centers).…”