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Harvard Medical School
Oxytocin makes men eat less, choose healthier foods
Oxytocin makes men eat less, choose healthier foods

First, we learn that the "love hormone" oxytocin makes men more trusting, nurturing and sociable. Then, we learn that a shot of the stuff makes partnered men less likely to stray or even flirt with other women. Now, we learn that a puff of oxytocin up the nose makes men eat less, and choose foods that are less fatty. If there were a scientific conspiracy to turn men into cuddly, highly evolved salad-eaters, oxytocin might be a powerful weapon. A study released Thursday found that 25 healthy men who got a dose of aerosolized oxytocin and then offered a man-sized serving of breakfast consumed fewer calories, decreased their fat intake, and showed improved measures of metabolic...

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