4 tools that use money to motivate weight loss

KSL.com4 tools that use money to motivate weight lossKSL.com"Study completion rates for the incentive groups were significant compared with the non-incentive groups: 62 percent versus 26 percent," a release about the study states. "In the incentive groups, participants' mean weight loss was 9.08 pounds ...và hơn thế nữa »