The impact of the full program (prenatal and infancy home visitation) on children's use of alcohol and number of sexual partners is important because recent evidence indicates that alcohol use prior to age 15 years multiplies the risk of alcoholism in adulthood26 and multiple partners increase the risk for sexually transmitted diseases, including human immunodeficiency virus infection.27, 28 The effect of the program on alcohol use is consistent with greater alcohol consumption observed among adult
rhesus monkeys who experienced aberrant
rearing.29 These findings must be tempered, however, with an acknowledgment of their limitations.