Low testosterone levels or testosterone deficiency by hbl


Testosterone is chief among the androgens family of hormones and by far the best known of the entire family. The androgens are responsible with the development of masculine characteristics in all vertebrates by binding to androgen receptors. They are in charge of the activity of male sex organs and the emergence and development of secondary sex characteristics, such as the deep voice, the body and facial hair, the broad shoulders and chest, the heavier bone structure, the greater muscle mass and the coarse skin. Testosterone is primarily secreted in the testes and secondarily by the adrenal glands...

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