"The NBER Bulletin on Aging and Health provides summaries of publications like this. You can sign up to receive the NBER Bulletin on Aging and Health by email. This study examines racial, ethnic and gender differentials in physical activity. Individuals engage in physical activity during...

In this paper, we examine the effect of food prices on clinical measures of obesity, including body mass index (BMI) and percentage body fat (PBF) measures derived from bioelectrical impedance analysis (BIA) and dual energy x-ray absorptiometry (DXA), among youths ages 12 through 18. The...

Large differences in fertility between women with high and low levels of education suggest that schooling may have a direct impact on knowledge and use of contraception. We investigate this issue using information on women in Mexico. In order to identify the causal effect of schooling, we...