1 China is has the largest population in the world, exceeding 1.3 billion. 2  Asia is home to the world's oldest human civilization and the greatest man-made structure, the Great Wall of China. 3  Though the Middle East is known as the land of Islam, a greater number of Muslims reside in South Asia.
The other 20 percent are comprised of restrictive procedures, such as the laparoscopic adjustable gastric band. The laparoscopic sleeve gastrectomy (LSG), a relative newcomer to bariatric surgery, is growing in popularity. The sleeve gastrectomy originated as the restrictive part of the duodenal switch operation.
Hydergine (generic: ergoloid mesylates), whose chemical name is dihydroergotoxine mesylate, is an FDA-approved drug used to aid in the treatment of older individuals showing signs of neurodegenerative disease. It is thought to have both neuroprotective (protective of the brain cells) and nootropic effects.