by University of British Columbia Visual Abstract. Efficacy of a commercial weight management program compared with a do-it-yourself approach. Credit: JAMA Network Open (2022). DOI: 10.1001/jamanetworkopen.2022.26561 For people trying to improve their health and lose weight by themselves—privately tracking and journaling meals and exercise—new research from UBC Okanagan suggests it is time to call in the professionals. Dr....