Translational andrology and urology2019n = 5
OtherHuman
This study set out to find which stage of sperm production is most sensitive to mild heat. Five healthy volunteers wore a specially designed underwear that held the testicles up…
Reproductive biology and endocrinology : RB&E2019n = 50
CohortHuman
This study set out to see whether N-acetyl-cysteine (NAC, an antioxidant supplement, taken here at 600 mg a day) improves sperm quality in infertile men. Fifty infertile men with poor…
Advances in experimental medicine and biology2019
Narrative ReviewHuman
This study set out to explore how sperm DNA fragmentation (breaks in the genetic material inside sperm, more breaks mean a lower chance of conception and live birth, so lower…
Reproductive biology2019n = 5 heated men and 27 controls
OtherHuman
This study asked what a mild, sustained rise in testicular temperature does to the chromosomes inside sperm. Five fertile volunteers wore specially designed underwear that held the testicles up against…
Journal of dietary supplements2019n = 290 (147 intervention, 143 control)
Meta AnalysisHuman
This meta-analysis set out to see whether omega-3 fats improve sperm in infertile men. It pooled three randomized trials, 147 men on omega-3 and 143 on control treatments, and measured…