Medicine: Slow Breather

Twice as big as a horse should be the size of Margaret F. Maclntyre, 23, physiology assistant at Goucher College (Baltimore) if only her rate of breathing were considered. The bigger an animal, the slower it breathes. A rat respires 100 to 200 times a minute, a cat 20 to 30 times, an adult human 16 to 24 times,* a horse 6 to 10 times. Miss Maclntyre breathes only 3 to 5 times a minute. In that respect she is phenomenal. Doctors read about her with wonder five years ago when she was a...

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