Male Hormone Myth


Myth: Testosterone causes prostate cancer.

Facts: Testosterone has not been proven to cause prostate cancer. 1 In fact, men with low testosterone are actually at an increased risk for prostate cancer. 2 Even the theory that testosterone supplementation can speed the growth of already existing prostate cancer remains unproven.


1. J Natl Cancer Inst. Published online January 29, 2008. 2008;100:158-159, 170-183.
2. Urology 68:1263–1267.

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