New food portion guideline easier to understand
First lady Michelle Obama greets Surgeon General Regina Benjamin at the Agriculture Department in Washington, Thursday, June 2, 2011, during an event to introduce the department's "My Plate" _ a simple circle divided into quadrants that contain fruits, vegetables, protein and grains _ which will replace USDA's food pyramid, which has been around in various forms since 1992. It comes with an accompanying website. (AP Photo/Susan Walsh)
Republican Presidential candidates Ron Paul, Rick Santorum, Mitt Romney and Newt Gingrich square off in the GOP debate inside the Mesa Arts Center, Wednesday, Feb. 22, 2012.
Stories from our special medical supplement
A collection of columns by Ahwatukee medical experts Agnes Oblas, Astrid Heathcote, Michael Urig and Rashmi "Rush" Bhatnagar.
A collection of columns from fitness and nutrition experts Shannon Sorrels, Paula Owens and Michael Murphy.
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