Longitudinal effects of aging on serum total and free testosterone levels in healthy men. Baltimore Longitudinal Study of Aging.

Abstract

Many studies have shown cross-sectional (and two small studies, longitudinal) declines in total and/or free testosterone (T) levels, with age, in men. The extent to which decline in T is the result of the aging process per se, as opposed to chronic illness, medication use, and other age-related factors, remains controversial. The frequency with which aging… (More)

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@article{Harman2001LongitudinalEO, title={Longitudinal effects of aging on serum total and free testosterone levels in healthy men. Baltimore Longitudinal Study of Aging.}, author={S. Mitchell Harman and E. J. Metter and Jimmy Tobin and J. Pearson and Michael Blackman}, journal={The Journal of clinical endocrinology and metabolism}, year={2001}, volume={86 2}, pages={724-31} }