Medicine: Exciting Discovery

High blood pressure causes one-third of all U.S. deaths. Doctors have long considered it one of the most dangerous diseases of 20th Century civilization, and one of the least understood. They may have to modify the latter belief, for a group of British scientists have turned up what looks like a solid clue to the disease. Their discovery: high blood pressure seems to be due to a "short-circuiting" of blood circulation in the kidneys, caused by too much nervous excitement.

Crushed Legs. Like Sir Alexander Fleming's discovery of penicillin, the high blood pressure discovery was almost an accident. During London's 1941 air...

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