The document discusses complications and treatment of obesity. It summarizes that obesity affects almost all systems of the body and is associated with various comorbidities related to cardiology, dermatology, endocrinology, gastrointestinal, neurology, oncology, metabolism, and psychology. The prognosis of obesity is usually poor, increasing risks of various diseases. Obesity can be treated through diet, physical exercise, behavioral modification, medications, and bariatric surgery.