If everyone in the United States simply adopted the U.S. Dietary Guidelines of 2005 (http://www.cnpp.usda.gov/GAs2005Guidelines.htm), obesity would be on its way out. Exercising 30–90 minutes a day, eating at least half of our grains as whole grains, and eating four servings of fruits and five servings of vegetables a day are simple practices that are advised because of their ability to improve energy balance, keeping us from gaining weight and helping us to lose weight if we need to.
How do whol…