Overweight in Children and Adolescents Associated with TV Viewing and Parental Weight: Project HeartBeat! Steffen LM et al. - These study findings are consistent with a genetic contribution of parental weight; however, overweight/obese parents may also exhibit behavior patterns that negatively influence children's TV viewing and have an impact on child overweight status. The effect of parental BMI on children's BMI may have both a genetic and an environmental linkage. [more...]