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脂肪替代品可能会让你更胖

Source: 60秒科学    2011-06-25  我要投稿   论坛   Favorite  

Counting on food with fake fats to help you slip into last year’s bathing suit? Better count again. Because a new study with rats shows that low-cal fat substitutes can actually promote weight gain. The work appears in the journal Behavioral Neuroscience. [Susan Swithers, Sean Ogden and Terry Davidson, "Fat Substitutes Promote Weight Gain in Rats Consuming High-Fat Diets"]

Dieters can choose from an array of snacktackular options in which sugars and fats are replaced by artificial, low-calorie substitutes. That sleight of hand seems ingenious. You can let your body think it’s getting the sweets and fats it craves while keeping the calorie count to a minimum.

But the new st