Journal of strength and conditioning research2021n = 421 men across 11 studies
Meta AnalysisHuman
This study set out to see whether exercise training raises resting testosterone in men who were not very active but otherwise healthy. It pooled 11 randomized trials covering 421 men…
Sleep medicine2021n = 252 men across 18 studies
Meta AnalysisHuman
This meta-analysis set out to clarify how sleep deprivation affects testosterone levels in healthy men. It pooled data from 18 studies involving 252 men, comparing testosterone levels after partial sleep…
The Journal of steroid biochemistry and molecular biology2021n = 206
Meta AnalysisHuman
This study set out to see what happens to a man's testosterone when he cuts fat out of his diet, at a time when levels have been falling across Western…