AASs travel through the bloodstream to the muscle tissue, where they bind to an androgen ... steroids is not permitted in the United States. Under the Controlled Substance Act, unlawful possession ...

This contribution is part of the special series of Inaugural Articles by members of the National Academy of Sciences elected in 2016. Contributed by Helen M. Blau, May 15, 2017 (sent for review April ...

Muscle is a tissue of the body specialized for ... Smooth muscle is found in the internal organs. Skeletal muscle hangs from our skeletons and allows us to move. In general, skeletal muscle is under ...