Study: Low Estrogen May Play a Role in ‘Male Menopause’

BETHESDA, Md. — TV ads tout testosterone treatments for “low T,” but surprising new research shows a different hormone may play a role in less sex drive and more fat as men age. Estrogen — the female hormone — is needed by men, too, and the study gives the first clear evidence that too little of it can cause certain “male menopause” symptoms.

“A lot of things we think are due to testosterone deficiency are actually related to the estrogen deficiency that accompanies it,” said Dr. Joel Finkelstein of Massachusetts General Hospital. He led the U.S.-government funded study, which appears in Thursday’s New England Journal of Medicine.

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