Mental illness, associated with physical disease, results from a low concentration in the brain of any one of the following vitamins: thiamine (B1), niacin (B3), Pyridoxine (B6), cyanocobalamin (B12), pantothenic acid, folic acid, and ascorbic acid (C). Mental function and Behavior may also be affected by changes in the concentration in the brain of other substances that are normally present, s...

It is well known that under special conditions certain fatty acids markedly affect growth of lactic acid bacteria. In the microbiological assay of riboflavin and of pantothenic acid, marked stimulation of the assay organism, Lactobacillus cusei, results from the presence of small amounts of lecithin or of fatty acids (1, 2) when these vitamins are present in suboptimal amounts. At higher levels...