The rapid growth in obesity represents a major public concern. Although body weight tends to increase with age, the evolution of obesity over the lifecycle is not well understood. We use longitudinal data from the National Longitudinal Survey of Youth to examine how body weight changes with age...

The institution of marriage has served to funnel economic resources from fathers to children. Its continued decline in the countries of the developed world threatens the adequacy of the economic support of human reproduction, now increasingly provided by women. Its decline is also probably...