Extreme weight loss slows metabolism, which is why it’s hard to keep weight off, study says

study followed 14 contestants on The Biggest Loser and found that 13 of the 14 had slower metabolism and burned significantly fewer calories than their peers who had not lost weight. And 13 of the 14 (a different thirteen, if I’m reading this article right) regained all the weight they’d lost on the show, with some gaining back even more.

Matches my experience. Based on my Lose It settings, I burn 24% fewer calories than the average man my size and activity level, or 550 fewer calories per day.

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