High levels of testosterone make possible the development of greater muscle mass in men.

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The control group showed a decrease in soleus muscle mass and strength, the development of insulin resistance, and a loss of bone mineral density and resistance to breakage.

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Oddly, the lethal protein acts somewhat late in development, in skin and muscle cells, and the embryo dies a grisly death unless it carries the antidote.

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Your doctor will conduct a physical exam during which he or she will note whether your sexual development, such as your pubic hair, muscle mass and size of your testes, is consistent with your age.

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The region's rapid pace of development, combined with workers' new-found muscle-flexing, has led to some industrial unrest.

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Spectrum has also signed an exclusive collaboration with Allergan (AGN), a technology-driven global health care company, for the development and commercialization of Apaziquone, an agent aimed at treating non-muscle bladder cancer.

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