Hair-raising promise

Published: Monday 15 June 1992

-- MERCK and Co's "hair raising" research involves Proscar, its experimental prostate shrinking drug, which holds out a promise of greening the bald heads of men. Scientists believe Proscar might grow hair by blocking the formation of the male hormone dihydrotestosterone. People born with reduced levels of this hormone are rarely bald. Proscar apparently shrinks enlarged prostates by blocking the formation of the same hormone.

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