What is the prevalence of adult obesity in the United States?
According to Flegal et al. (282), the prevalence of adult obesity in the United States has increased from 2005 to 2014, with an overall prevalence of 35.7% in 2014. In 2019, Ward et al. (283) projected that the prevalence of adult obesity in the US would reach 41.2%, with an even higher prevalence of severe obesity (17.7%).