Medicine: Three-Letter Wonder?

The magical powers of ACTH (adrenocorticotrophic hormone) may be equaled among the checks & balances of the human body by the no less magical STH (somatotrophic hormone), it was suggested last week. Montreal's imaginative and original Dr. Hans Selye told a meeting of scientists in Lancaster, Pa. of preliminary evidence that STH increases resistance to bacterial invaders.

STH is secreted by the front part of the pituitary, a pea-sized gland near the base of the brain. Like ACTH, it is a master hormone which seems to control some of the workings of the entire...

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