The World Health Organization estimates that at least 1 in 10 adults worldwide are obese, and in some western countries, a far greater percentage (25% or more) is affected (1). Obesity is a serious concern because it increases the risk of cardiovascular disease, type 2 diabetes, and some cancers, among other health problems. The evolution of public health policies and treatment options depends upon an improved understanding of how genetic and environmental factors interact to favor weight gain, and how excessive weight disrupts metabolism.
展开▼
