Product Search Search Effective Health Care website Submit search Search Tip: Use double quotes around phrases to rank exact matches higher in the result list. 3 results Methods for Evaluating Natural Experiments in Obesity: A Systematic Evidence Review Systematic Review December 1, 2017 Obesity Prevention and Control Research Protocol February 9, 2017 Health Outcomes of Bariatric Surgery in Individuals with Type 2 Diabetes Research Report November 29, 2012