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Anabolic-androgenic steroids (AAS) are drugs of abuse. Previous studies have shown that male and female hamsters self-administer testosterone (T) and other AAS, suggesting that androgens are reinforcing in a context where athletic performance is irrelevant. AAS are synthetic derivatives of T, which may be aromatizable to estrogen and/or reducible to(More)
Previous studies in our laboratory have demonstrated intracerebroventricular (ICV) self-administration of testosterone in hamsters. This suggests that androgens are reinforcing, independent of their anabolic effects. Furthermore, pharmacologic testosterone acts as a depressant: ICV testosterone infusion acutely reduces respiration, locomotion and body(More)
Young adult men are more likely to abuse steroids than individuals with low testosterone, including women, boys and older men. This suggests that circulating testosterone may enhance sensitivity to exogenous androgens. This hypothesis was tested using intracerebroventricular (i.c.v.) testosterone self-administration in orchidectomized males without(More)
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