Peer-reviewed research on sperm concentration, motility, DNA fragmentation, and the factors that influence male fertility, including the temperature mechanism Oakman is built around.
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…
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…
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…
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…