Do healthy people need vitamin pills? Many a doctor and nutritionist has loudly asserted that they do not. Last week the California Institute of Technology offered evidence that extra vitamins are good for almost anybody.
Four years ago, Cal Tech and the Lockheed Aircraft Corp. began a large-scale experiment at Lockheed's Burbank plant.
Five days a week for a year, they fed pills to selected groups of workers mostly healthy young men whose regular diet was plenty of meat, eggs and milk, not quite enough fruit and vegetables). Half the men got pills containing vitamins and minerals, the other half just pills.
During...
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