For adults, WHO defines overweight and obesity as follows: Once considered a high-income country problem, overweight and obesity are.
The prevalence of obesity was 39.8% and affected about 93.3 million of US adults in 2015~2016. [Read CDC National Center for Health Statistics (NCHS) data.
Obesity is a complex health issue to address. Obesity results from a combination of causes and contributing factors, including individual factors.