[sweeps]

Would you be more inspired if your boss offered you cash for losing 10 pounds?

USA Today Article

One blurb I found interesting:
But some people's price may be higher than others. In one study, he and colleagues offered teens a small amount of money for keeping a food diary and losing weight, but the researchers couldn't pay the kids enough to inspire them. "Kids today have so much spending money that we couldn't compete," Wadden says.