Find the normal testosterone levels for your age group, to help drive diagnosis In Vermeulen, A. Oddens, B.J. (Eds.), Androgens and the Aging Male (pp. 720 ng/dl for a man in his 30;s; 667 ng/dl for a man in his 40;s; 606 ng/dl for a man in After pointing out, you have the T levels of a sick 80...