Shahid Habib, Julia Samamé, Carlos A Galvani
Prevalence of obesity is increasing and approaching a pandemic. It is largely driven by changes in living environment and behavior as a result of technological modernization. These factors change our diets and lifestyles and promote a state of positive energy balance. Weight loss is the key treatment in patients with obesity and related complications, and it cannot be achieved without having a positive change in behavior and lifestyle. Bariatric surgery is effective treatment with long-term results for the treatment of morbid obesity, resolution of comorbidities, and improved life expectancy. This comprehensive review includes new insights and concepts in lifestyle interventions and bariatric surgery for the treatment of morbid obesity.