Matt Soniak. filed under: Big Questions, Origins. Like us on Facebook. If youâve ever seen the World Health Organization or American Medical Association logo, or the âstar of lifeâ on the side of an ambulance, you might have wondered what a snake wrapped around a stick has to do with those who fix what ails us.Well, that stick is the asklepian, or rod of Asclepius.iled under: Big Questions, Origins. Like us on Facebook. If youâve ever seen the World Health Organization or American Medical Association logo, or the âstar of lifeâ on the side of an ambulance, you might have wondered what a snake wrapped around a stick has to do with those who fix what ails us.
For the most part, the B vitamins are absorbed directly into the bloodstream in your stomach or small intestines. The exception is vitamin B-12, which must be bound to something called intrinsic factor for absorption.
The fat soluble vitamins A, D, and E are absorbed in the upper small intestine. The factors that cause malabsorption of fat can also affect absorption of these vitamins. Vitamin B12 is absorbed in the ilium and requires to be bound to intrinsic factor, a protein secreted in the stomach, to be absorbed.he fat soluble vitamins A, D, and E are absorbed in the upper small intestine. The factors that cause malabsorption of fat can also affect absorption of these vitamins. Vitamin B12 is absorbed in the ilium and requires to be bound to intrinsic factor, a protein secreted in the stomach, to be absorbed.