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Good discussion of sarcopenia.  They article looked at the evidence of Testosterone and found the evidence pointed to improved lean muscle mass; but not a direct cause effect of low T and sarcopenia.

good discussion of sarcopenia.

muscle loss, sarcopenia is a significant marker of poor health in men.  This study of 845 men age 45-85 finds that low Testosterone, low vitamin D, low physical activity, smoking, and thin body build are associated with sarcopenia in men.

animal study finds Testosterone reversed age associated sarcopenia.

Weekly Testosterone injections increase type 1 slow muscle fibers more than type II fast twitch muscle fibers compared to monthly injections.  The study looked at older men with sarcopenia and low T.

Study finds low free Testosterone and low calculated free Testosterone was associated with sarcopenia in Japanese men.  This association was not found with Total Testosterone.

8 weeks of resistance training in patients with sarcopenia and diabetes found to improve glycemic control

study finds weight gain in premenopausal breast cancer survivors on adjuvant chemo is due to sarcopenia.

The ignorance of this authors statements is unmeasurable.  Numerous other studies have shown weight loss in men with obesity is associated with increased Testosterone production.  My book highlights the mechanism by which adipose tissue decreased Testosterone production.  The author was quoted as pointed to no Testosterone replacement (even if levels are low????) despite the evidence that Testosterone will improve glucose metabolism, build muscle (reverse sarcopenia obesity), improve cholesterol metabolism,  and significantly aid Diabetes control just to name a few; yet the author says, give surgery instead.  I am sure the author is a surgeon and thus bias might, just might, be present.

low free Testosterone associated with muscle loss in men compared to no association with total Testosterone in Japanese men.

good article to review the components of body composition.

good discussion of sarcopenic obesity

Testosterone found to improve QOL measures in patients with cancer cachexia.