dat feel
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A Validated Age-Related Normative Model for Male Total Testosterone Shows Increasing Variance but No Decline after Age 40 Years
The diagnosis of hypogonadism in human males includes identification of low serum testosterone levels, and hence there is an underlying assumption that normal ranges of testosterone for the healthy population are known for all ages. However, to our knowledge, ...
www.ncbi.nlm.nih.gov
what makes a difference in T levels apparently is what centile you are
inb4 everyone claims 1st centile
anyone claiming any centile must back it up by posting blood test results