Medicine: Vitamins

To knowledge of the five vitaminic ingredients of foods, which make life liveable. Dr. Herbert McLean Evans of the University of California last week joined news of a sixth.

The five previously known are: Vitamin A, which stimulates body growth; Vitamin B, which prevents neuritis (beriberi is the characteristic disease when Vitamin B is lacking); Vitamin C, which prevents scurvy (see below); Vitamin D, which prevents rickets; and Vitamin E, which must be present if an animal is to be fertile.

To young rats Dr. Evans, head of the University of California's department of...