T Nation

Sex Hormone in Males Linked to Slower Biological Aging in New Study

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Thanks for posting that. This was referenced in the article:

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So it’s pretty clear. High E2 as a result of high testosterone increases telomeres length and high SHBG shortens them.
Long telomeres = long life
Very interesting.
Guys on TRT need to leave their E2 levels alone and let them be in proper balance with testosterone, not suppress it.

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The study also mentioned the importance of E2 in regard to libido. “In men with diminished testosterone, the administration of exogenous estradiol has been shown to increase libido”