MEDICINE: Hard Water, Soft Arteries?

Housewives dislike hard water because it does not lather well, but it may prolong their lives, and more especially their husbands'. A surprising relationship between a high mineral content in drinking water and low death rates from heart-and-artery disease was reported last week in the A.M.A. Journal.

With a few minor (still unexplained) exceptions, all the statistical findings are directly opposite to what would be assumed on the basis of "superficial thinking or snap judgment," said Dartmouth College's Physiologist Henry A. Schroeder. In fact, when he began his study, he expected to find that hard water went with hard arteries....

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