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发帖数: 1279 | 1 http://www.nytimes.com/2012/01/01/magazine/tara-parker-pope-fat
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“I think many people who are anxious to lose weight don’t fully understand
what the consequences are going to be, nor does the medical community fully
explain this to people,” Rudolph Leibel, an obesity researcher at Columbia
University in New York, says. “We don’t want to make them feel hopeless,
but we do want to make them understand that they are trying to buck a
biological system that is going to try to make it hard for them.”
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The research shows that the changes that occur after weight loss translate
to a huge caloric disadvantage of about 250 to 400 calories. For instance,
one woman who entered the Columbia studies at 230 pounds was eating about 3,
000 calories to maintain that weight. Once she dropped to 190 pounds, losing
17 percent of her body weight, metabolic studies determined that she needed
about 2,300 daily calories to maintain the new lower weight. That may sound
like plenty, but the typical 30-year-old 190-pound woman can consume about
2,600 calories to maintain her weight — 300 more calories than the woman
who dieted to get there. |
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