Despite this program, by the mid-1930s, white schools in the South were worth, per student, more than five times what black schools were worth per student (in majority-black Mississippi, this ratio was more than 13 to one).
There is no vitamin B17. The term is inaccurately applied to laetrile, a discredited cancer drug, and amygdalin, the natural substance from which laetrile is made. Amygdalin occurs in the seeds of apricot, peaches, and almonds.
Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak. Two steps are required for the body to absorb vitamin B12 from food.