Medicine: To Swim or Not to Swim

To Swim or Not to Swim Just a mile from an Ohio beach, a temporarily flooded Cleveland waste-treatment plant was pouring millions of gallons of raw sewage into Lake Erie every hour. Yet in spite of posted warnings, scores of bathers were blithely enjoying the waters. While the sight was enough to make a public health officer wince, it is not uncommon in the U.S. Swimmers everywhere recklessly expose themselves to pollution. Curiously, relatively few of them seem to get sickĀ—or at least report any illness. Have the dangers of...

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