Your swimmers like one-night stands: Having sex with a new woman may produce better-quality sperm, suggests new research from the College of Wooster.
In the study, guys masturbated to seven porn flicks over the course of 2 weeks. (Not together, but each in the privacy of his own home.) The first six clips starred the same actress, but the seventh featured a different vixen.
Not only did the participants report climaxing faster after watching the unfamiliar woman, but their semen was higher in volume and more concentrated with healthy sperm.
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