Medicine: Orthomolecular Minds

Whether or not a man's genes may predispose him to criminal tendencies, Chemist Linus Pauling believes that they may have a lot to do with his mental state. This has been proved for a few relatively uncommon conditions such as phenylketonuria (PKU), in which a defective gene leaves the baby unable to metabolize phenylalanine. The resulting metabolic upset damages the brain and causes mental retardation. But Dr. Pauling would go much farther. In Science, he suggests that because of genetic as well as environmental differences, some people may need more of certain vitamins...

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