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 Benefits, Deficiency Symptoms and Food Sources. Vitamin B12 benefits the central nervous system in many important ways: It helps maintain the health of nerve cells â including those needed for neurotransmitter signaling â and helps form the protective covering of nerves, called the cellâs myelin sheath.