
0:32
Spoken excerpt summarizing observational and genetic-evidence linking testosterone levels and mortality in older men. The speaker cites an Australian cohort (~4,500 men, ages in their 70s–90s) reporting highest mortality in the lowest-testosterone group and greatest longevity in mid-range testosterone, and references a UK Mendelian randomization study that reported high testosterone associated with increased mortality.
Questions this video answers
About 4,500 men.
Older men in their 70s to 90s.
Men with mid-range testosterone.
Men with the lowest testosterone.
High testosterone is associated with increased mortality.










