January 3, 2019 --  Did you set a goal to lose weight in the new year? WebMD's Chief Medical Editor, Michael Smith, tells us the truth about common weight loss myths. Then James Clear, author of the best-selling book Atomic Habits, shares the four things that you should do to make a new habit stick. Plus, check out our list of the biggest workout mistakes. And are you ready to quit alcohol for Dry January?