The tale of the tape may be told, in part, by the microbes inside you. hide caption

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Illustration by Tim Robinson for NPR

Eating refined carbohydrates like bagels may stimulate brain regions involved in reward and cravings, research suggests. hide caption

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Dr. Michael Fleming, past president of the American Academy of Family Physicians, considered himself obese when this photo was taken in 2004. He led efforts by doctors to lose weight. Mario Villafuerte/Getty Images hide caption

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Going to the doctor may be uncomfortable for people who are worried about weight. hide caption

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