ahlam1399
09-20-2016, 09:40 PM
Researchers were surprised that the young adults given fitness trackers lost less weight than their peers who didn't have the gizmos. Maybe they're **t as motivating as we hope.
أكثر... (http://www.npr.org/sections/health-shots/2016/09/20/494631423/weight-loss-on-your-wrist-fitness-trackers-may-**t-help?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/health-shots/2016/09/20/494631423/weight-loss-on-your-wrist-fitness-trackers-may-**t-help?utm_medium=RSS&utm_campaign=news)