Eating family dinner at home every day may delay alcohol uptake among some adolescents. Alcohol promotional items appear to encourage underage alcohol initiation and binge drinking; this may warrant marketing restrictions on the alcohol industry.

Elevated iron status predicts mortality in HIV infection, even after adjustment for immunosuppression and other confounders. This finding has implications in the clinical monitoring of disease progression and for iron-supplementation practices in areas of high HIV prevalence.

To determine whether a new scale measuring beliefs about postponing sexual initiation (PSI) predicts sexual initiation and whether the association between PSI and sexual initiation is mediated by intention to initiate sexual intercourse.