The causes of benign prostatic hyperplasia are not fully known. Several theories have been proposed to explain benign cell growth in older men.
Male Hormones. Androgens (male hormones) most likely play a role in prostate growth. The most important androgen is testosterone, which is produced throughout a man's lifetime. The prostate converts testosterone to a more powerful androgen, dihydrotestosterone (DHT). DHT stimulates cell growth in the t...
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