The Associations Between Serum Sex Hormones, Erectile Function, and Sex Drive: The Olmsted County Study of Urinary Symptoms and Health Status Among Men

These cross-sectional results suggest the relationship between sex hormones and sexual function is complex, and that the age-related decline in sexual function may be due to age-related declines in levels of bioavailable testosterone rather than total testosterone levels. Gades NM, Jacobson DJ, McGree ME, St. Sauver JL, Lieber MM, Nehra A, Girman CJ, Klee GG, and Jacobsen SJ. The associations between serum sex hormones, erectile function, and sex drive: The Olmsted County study of urinary symptoms and health status among men. J Sex Med 2008;5:2209-2220.