Human Reproduction
About the Research
We are currently studying whether human males and females adjust characteristics of their ejaculate in accordance with predictions from evolutionary biology.
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News Coverage:
Would you cheat if a new partner could help you get a stronger erection?
Men Orgasm Faster And Produce Better Sperm When They Have Sex With Someone New
Men Who Have Casual Sex Have Stronger Sperm and Faster Orgasms, Study Finds
Men who have casual sex 'produce better quality sperm and have faster orgasms' , says expert
Fantasizing about someone new may make for more viable sperm: study
EL PORNO AUMENTA LA CANTIDAD Y LA CALIDAD DEL SEMEN, REVELAN INVESTIGADORES
Related Publications:
Joseph, P.N., R.K. Sharma, A. Agarwal, & L.K. Sirot. 2015. Men ejaculate larger volumes of semen, more motile sperm, and more quickly when exposed to images of novel women. Evolutionary Psychological Science, DOI 10.1007/s40806-015-0022-8. [Full text]
Perry, J.C., Sirot, L.K., and Wigby, S. (2013). The seminal symphony: How to compose an ejaculate. Trends Ecol. Evol. 28(7), 414-422. [Full text]
