Because obesity results from chronic consumption of energy (calories) in excess of that used by the body, prevention requires people to balance the energy they consume from food and drinks with the energy expended through metabolic and muscular activity. Although the precise relationship between the diet and activity components of this “equation” is still under investigation, it is intuitively obvious that successful prevention strategies—individual and societal—must address both elements (Must, 2010).
2. What is the supporting evidence for implementing this policy?
Concern about obesity is not new. By 1952, the American ...