correlations exist even for those preschool children who spend no time in day care, which implies that it cannot be due solely to …

Children form social ties along dimensions of gender and race/ethnicity, and thus may differ greatly in exposure to … peer health and also in reactivity to peer influence. This paper estimates heterogeneity in the peer effects of obesity … New York City (NYC) FITNESSGRAM initiative on over 1.6 million children in grades K-8, we find that males and females are …

Obesity, as a health and social problem with rising prevalence and soaring economic cost, is increasingly drawing … obesity, empirical evidence on this causal relationship is fragile. Using the health capital development theory, this study …