1x Obesity Treatment Market by Surgery (Adjusting gastric Banding, Roux-en-Y Gastric Bypass, Sleeve gastrectomy, Biliopancreatic diversion with Duodenal Switch), by Drugs (Appetite suppressants, Combination drugs, Malabsorption, Satiety drugs), by Region (North America, Europe, Asia Pacific, Latin America) - Global Industry Assessment (2016 - 2021) & Forecast (2022 - 2028)