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.
Gastric bypass patients donât fully digest or absorb vitamin B12 from protein foods, which puts them at high risk of deficiency. The amount of stomach acid produced in the new stomach pouch is significantly low. Stomach acid is needed to release vitamin B12 from protein foods.