Health_Medical_Pharma

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First lady Michelle Obama hugs her dance partners after doing the Interlude dance during a "Let's Move" pep rally supporting healthy eating and exercise Thursday with schoolchildren in Des Moines, Iowa. (Associated Press)

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Former Sen. Rick Santorum of Pennsylvania, a Republican presidential candidate, is prayed over after speaking at the Bella Donna Chapel in McKinney, Texas, on Wednesday. Mr. Santorum won Republican caucuses in Minnesota and Colorado and a nonbinding primary in Missouri on Tuesday. (Associated Press)

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The character known as The Lorax, voiced by Danny DeVito, is shown in a scene from the animated film, "Dr. Seuss' The Lorax." Universal Pictures has lined up eco-friendly partners that want to latch onto the Lorax's nature-friendly message. (Universal Pictures via Associated Press)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney speaks Feb. 7, 2012, at his Colorado caucus night rally in Denver. (Associated Press)

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Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks in Colorado Springs, Colo., Tuesday, Feb. 7, 2012. (AP Photo/Chris Carlson)

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Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks in Colorado Springs, Colo., Tuesday, Feb. 7, 2012. (AP Photo/Chris Carlson)

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** FILE ** Washington D.C. Fire and Emergency Medical Services Chief Kenneth B. Ellerbe (Rod Lamkey Jr/ The Washington Times)

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Children wait to shake hands with Republican presidential candidate Mitt Romney in Loveland, Colo., on Tuesday, a day for caucuses in Colorado and Minnesota. (Associated Press)

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BIG MOMENT: Children wait to shake hands with Republican presidential candidate Mitt Romney at a campaign rally in Loveland, Colo., on Tuesday, a day for caucuses in Colorado and Minnesota. Critics say it's time to take a look at the value of caucuses. (Associated Press)

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A Shippensburg University vending machine provides an emergency contraceptive pill for $25 along with condoms and pregnancy tests. (Associated Press)

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**FILE** Monica Leon Galarza (right), a nursing assistant, helps Archie, a resident, make a collage on Oct. 15, 2009, during an art program at the Alzheimer's disease unit of the Patriots Colony retirement community in Williamsburg, Va. (Associated Press/The Daily Press)

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Former Sen. Rick Santorum of Pennsylvania signs an autograph after a health care speech Monday in Rochester, Minn. The Republican presidential hopeful is hoping to get back in the win column Tuesday with victories in caucuses in Minnesota and Colorado and in a nonbinding primary in Misssouri. (Associated Press)

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Republican presidential candidate, former Pennsylvania Sen. Rick Santorum signs an autograph after a speech on healthcare, Monday, Feb. 6, 2012, in Rochester, Minn. (AP Photo/Charles Rex Arbogast)

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Teacher Nancy Henderson instructs students about fruit snacks during a lesson in healthy eating at Northeast Elementary School, in Danville, Ill. Northeast offers no junk food for sale to its students, but a new study found that almost half the nation's elementary schools do provide it. (Associated Press)

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Rep. Scott DesJarlais, Tennessee Republican, says it's absurd to spend billions demonizing certain foods and trying to affect people's dietary choices. (Associated Press)

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The Susan Komen For The Cure international headquarters in Addison, Texas, are shown Feb. 3, 2012. After three days of controversy, the Susan G. Komen for the Cure breast-cancer charity says it is reversing its decision to cut breast-screening grants to Planned Parenthood. (Associated Press)