Per 200 ng/dL of increased testosterone, bone density increased by 6.1% in deficient older men, but arterial plaque formation was also noted. (2017)

www.sciencedaily.com

From the article:

Researchers found that testosterone treatment improved bone density and estimated bone strength, as determined by quantitative computed tomography (CT). The treatment also increased hemoglobin concentrations, corrected the anemia of men who had no other identifiable cause of anemia and corrected the anemia of men who had an identifiable cause, such as iron deficiency. While these conclusions proved testosterone to be beneficial to the participants, testosterone treatment did not improve memory or any other measure of cognitive function.

[…]

In the cardiovascular trial, researchers assessed coronary artery plaque buildup by CT angiography. That assessment showed more plaque buildup in men treated with testosterone than in men treated with placebo. Nonetheless, in all 788 men in the TTrials, the number of major adverse cardiovascular events was similar in the men treated with testosterone as in the men treated with placebo. However, Snyder added, “treating 788 men for one year is far too few to draw conclusions about the clinical significance of the increase in coronary artery plaque volume and the cardiovascular risk of testosterone treatment.”

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