Adolescents who said their parents were authoritative, meaning they show high levels of both warmth and monitoring, were least prone to report heavy drinking, according to the study by Stephen Bahr, a professor in Brigham Young University in Provo, Utah's College of Family, Home and Social Sciences, and co-author John Hoffmann.Lemme see... two parent families... actually give a crap about what their kids are up to... sheer genius.