Medicine: Varieties of Sweat

For flavors of sweat, the human body is a regular soda fountain—the sweat of the brow is strong in uric acid, the sweat of the hands is strong in chloride (salt), the sweat of the thigh is strong in lactic acid. These pungent facts are disclosed in a report by Drs. Olaf Mickelson and Ancel Keys of the University of Minnesota in the Journal of Biological Chemistry.

The chief purpose of their research was to find out whether enough vitamins are lost in sweat to warrant feeding U.S. soldiers in the tropics extra...

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