<DIV><P>In the past three decades, the number of obese adults in the United States has doubled and the number of obese children almost tripled, which may lead to increased medical expenditures, productivity loss, and stress on the health care system. Economic analysis now shows that weight gain is the...</p></div>

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...

We examine the effects of fast-food restaurant advertising on television on the body composition of adolescents as measured by percentage body fat (PBF) and to assess the sensitivity of these effects to using conventional measures of youth obesity based on body-mass index (BMI). We merge...