A Fat Nation: A Johns Hopkins study concludes that if Americans keep gaining weight at their current rates, fat will be the norm here by 2015, with a projected 41% of adults obese and 34% overweight but not obese.

SIDS? Or Something Else? In what is sure to create a stir in the SIDS research community, the current British Medical Journal presents a re-analysis of 46 cases of families experiencing a second instance of sudden infant death. The original analysis, published in the British medical journal Lancet, found that 90% of the repeat deaths were attributable to SIDS, while the BMJ study contests these findings, and instead researchers write that only 43% of the deaths were probably natural (SIDS), while 13% are probably unnatural (homicide) and the rest undetermined.

Early Warning Signs of Adolescent Problems: A new study out of the Universities of Montreal and Oslo finds that young children with behavior problems are more likely to be rejected by their peers and to lack friends. These children are at risk for adjustment problems as they enter adolescence. Targeting elementary peer relationships may be key to preventing adolescent depression.