When changes are made in your digestive system to help you lose weight by limiting how much you can eat or by reducing the absorption of nutrients or both it is called a gastric bypass. If you are facing serious health consequences or when your diet and exercise fail to give you positive results that is when the gastric bypass is done. Roux-en-Y gastric bypass known as gastric surgery is a weight loss procedure to help you shed those excess kilos. Avoid confusing it with other weight loss procedures like a duodenal switch endoscopic sleeve gastroplasty and so on. This