What’s Stronger than Willpower for Weight Loss? Cold, Hard Cash | TIME.com: The chance to win or lose $20 a month enticed dieters in a yearlong study to drop an average of 9 pounds – four times more weight than others who were not offered dough to pass up the doughnuts.
Many employers, insurers and Internet programs dangle dollars to try to change bad habits like smoking or not exercising, but most studies have found this doesn’t work very well or for very long.
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