The Roundtable on Obesity Solutions of the National Academies of Sciences, Engineering, and Medicine held a workshop in Washington, DC, on April 6, 2017, titled The Challenge of Treating Obesity and Overweight: A Workshop. The discussions covered treatments for obesity, overweight, and severe obesity in adults and children; emerging treatment opportunities; the development of a workforce for obesity treatments; payment and policy considerations; and promising paths to move forward. This publication summarizes the presentations and discussions from the workshop.Table of ContentsFront Matter1 Introduction2 Treatment of Obesity and Overweight in Adults3 Treatment of Obesity and Overweight in Children and Adolescents4 Treating Severe Obesity in Adults5 Treating Severe Obesity in Adolescents and Children6 Emerging Opportunities7 Workforce and Training8 Payment Considerations9 Policy Considerations10 Involving Communities and IndividualsReferencesAppendix A: Workshop AgendaAppendix B: Acronyms and AbbreviationsAppendix C: Speaker and Facilitator Biographies