Seeking Clues to Obesity in Rare Hunger Disorder

January 15, 2014 2:50 PM

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Seeking Clues to Obesity in Rare Hunger Disorder

Lisa Tremblay still recalls in horror the time her daughter Kristin pulled a hot dog crawling with ants from the garbage at a cookout and prepared to swallow it.

Kristin has a rare genetic abnormality that gives her an incessant, uncontrollable hunger. Some people with the condition, called Prader-Willi syndrome, will eat until their stomach ruptures and they die. And, not surprisingly, many are obese.

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