BIOS is short for Basic Input Output System. It is much more than the name suggests. One might think that BIOS controls input and output system. But the BIOS does much more and it is not possible for any operating system to continue without a proper BIOS in place. Today, we will see what is BIOS in computers.
Four common types of weight-loss surgery are: 1  Roux-en-Y gastric bypass. 2  Laparoscopic adjustable gastric banding. 3  Sleeve gastrectomy.  Duodenal switch with biliopancreatic diversion.
With gastric bypass surgery, the stomach is made smaller by reducing it to a thumb-sized pouch (15-30 mL or 1-2 tablespoons in volume), which considerably restricts the amount of food that can be eaten, as well as provide less surface area for the absorption of vitamins and minerals from food.