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  • Title: Testosterone deficiency and risk factors in the metabolic syndrome: implications for erectile dysfunction.
    Author: Guay AT, Traish A.
    Journal: Urol Clin North Am; 2011 May; 38(2):175-83. PubMed ID: 21621084.
    Abstract:
    The most common cause of erectile dysfunction (ED) is penile vascular insufficiency. This is usually part of a generalized endothelial dysfunction and is related to several conditions, including type 2 diabetes mellitus, hypertension, hyperlipidemia, and obesity. These conditions underlie the pathophysiology of metabolic syndrome (MetS). Hypogonadism, or testosterone deficiency (TD), is an integral component of the pathology underlying endothelial dysfunction and MetS, with insulin resistance (IR) at its core. Testosterone replacement therapy for TD has been shown to ameliorate some of the components of the MetS, improve IR, and may serve as treatment for decreasing cardiovascular and ED risk.
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