Finnish study on testosterone decline in men
- Finnish study, 2012
- Blood samples collected by Finnish government in 1972, 1977, and 2002
- Data divided into birth year cohorts
- For cohort born in 1942-1951 range, mean testosterone at age 25-29 was 26 nanomole/L, median was 33 nanomole/L
- For cohort born in 1970-1977 range, mean testosterone at age 25-29 was 19 nanomole/L, median was 26 nanomole/L
- Numbers are consistent with Israeli study