MUCH HAS CHANGED SINCE JAMA LAST PUB-lished an obesity theme issue in 2003. The prevalence of obesity rapidly increased during the 1980s and 1990s and it seemed that, in due course, everyone would be obese. This did not happen and since 1999 the prevalence of obesity stabilized at 35.5% for adult men, 35.8% among adult women, and 16.9% for children and adolescents. For now the obesity epidemic appears to have been temporarily contained.
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