TUESDAY, June 3 (HealthDay News) -- Boys and girls develop eating disorders for different reasons, so prevention strategies may need to vary by gender, according to a new report.

"Frequent dieting and trying to look like persons in the media were independent predictors of binge eating in females of all ages. In males, negative comments about weight by fathers was predictive of starting to binge at least weekly," wrote the authors, whose findings were published in the June issue of Archives of Pediatrics & Adolescent Medicine.

TUESDAY, June 3 (HealthDay News) -- At least 40 percent of American infants and toddlers aren't getting enough vitamin D, according to researchers from Children's Hospital in Boston.

Twelve percent of the youngest children in the United States are already deficient in vitamin D, and another 28 percent are at risk for vitamin D deficiency, according to the study, which appears in the June issue of the Archives of Pediatrics and Adolescent Medicine.