Scientists are working to understand what hormonal and physiological cues in the body lead the brain to respond to food emotionally. iStockphoto.com hide caption

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Rational Or Emotional? Your Brain On Food

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First Lady Takes Aim At Childhood Obesity

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Bob Karch is the chairman and a professor in the Department of Health and Fitness at American University. Here, he helps cross-country champion Steve Hallinan check his heart rate while cross-training on the bike. Allison Aubrey/NPR hide caption

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How Revving Up Your Heart Rate, Even A Bit, Pays Off

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Bryce Marcus is a fifth-grader at the KIPP Infinity School in the West Harlem neighborhood of New York City. His curriculum includes emotional development training that teaches him to replace negative thinking with more realistic and flexible thinking. Allison Aubrey/NPR hide caption

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Emotional Training Helps Kids Fight Depression

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Preventing Diabetes: Small Changes Have Big Payoff

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Sam Kass, the assistant White House chef, picks spinach from the garden. Maggie Starbard/NPR hide caption

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Kids Taste A Sweeter Veggie, White House Style

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Breast Cancer Advocates Not Buying New Guidelines

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Treating Stress And Skin Disease In Tandem

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