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Results of the T Trials are just in and provide more information about the pros and cons of testosterone therapy. This treatment for men whose own testosterone levels are low has been controversial.

What Are the Results of the T Trials?

Researchers from 13 health systems around the United States conducted seven linked studies comparing testosterone therapy to placebo for one year. The volunteers were over 65 and had low levels of this male hormone at the beginning of the trials.

Measuring Bone Strength:

The men who participated in the bone trial had their bone mineral density measured by CT scans at the beginning of the study and again after a year of testosterone therapy. The hormone replacement therapy improved bone density and estimated bone strength significantly more than placebo. This effect was most apparent in the spine, though hip bones also benefited.

The study was not designed to determine whether testosterone can also reduce the risk of fractures.

Snyder et al, JAMA Internal Medicine, online Feb. 21, 2017 

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  1. John
    New Zealand

    I do not need testosterone therapy. I have the opposite problem. The normal healthy level in new Zealand is between 6 and 26. But at my age of 76, it should be roughly 10. But for many years it has been high, the recent one is 37 in the morning. I have seen a urologist, who finds no ailment. I am on no drugs, and am fit and healthy. I do consume a Mediterranean diet.
    Does anybody have any clues as to a possible cause, or if I should be concerned? Thanks. John.

  2. Dahlia

    What about testosterone therapy for us senior gals with “severe” (doctor’s verbiage) osteoporosis?! Please address this issue.

    Thank you in advance for your help!

  3. R

    I attempted testosterone therapy for other purposes, without result. My bones are strong – perhaps because I continue to be a competitive athlete.

  4. LDR
    North Texas

    Some time ago I ran across information that sniffing vinegar can immediately reverse the effects of CO (carbon monoxide) poisoning. Is there any information regarding this, true or false?

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