… mean testosterone and free testosterone levels in the 2 groups were virtually unchanged. Thin
men have higher testosterone levels … to have somewhat higher testosterone levels. In fact, …

… of T over time, but a population-level decline in serum T concentrations would be consistent
with … In this analysis, we estimated differences in serum total testosterone and calculated …

… in serum testosterone … in serum testosterone from 8.3 _+ 6.3 to 16.0 +4.4 nmol/L (p = 0.02).
We conclude that zinc may play an important role in modulating serum testosterone levels in …

… (see section on free testosterone below). We recommend that both measurement of total
serum testosterone and provision of calculated free testosterone should be available to the …

… issues related to measuring testosterone for aetiological and clinical … serum testosterone
levels. Second, we want to investigate if there is an association of low serum testosterone levels …

… At that time, several authors reported an age-associated decline of serum testosterone
levels beginning in the fourth or fifth decades of life. Other studies found that the decline in …

… testosterone levels (450 + 17 ng/dl and 1.60 + 0.06 ng/dl). CONCLUSION. Our findings show
that serum total and free testosterone levels … may inhibit serum testosterone levels. Prostate …

… parameters related to serum T and dihydrotestosterone (DHT), … the relationship between
the serum T levels obtained after T … and known association with low serum T levels, as well as …

… of the decline in serum testosterone levels with aging in men. … in total serum testosterone
levels of approximately 1.5% per year. The prevalence of low serum total testosterone levels is …

… of serum testosterone levels after surgical or medical castration. This review assesses serum
testosterone levels … testosterone suppression. The author proposes methods to better lower …