The male body holds many mysteries. Why are guys always scratching their balls? What exactly is a foreskin supposed to do? Why do flaccid penises look so ridiculous? But the most pressing questions we have concern semen—also known as ejaculate, spunk, and by a host of less printable nicknames. Sure we know it contains sperm, but what else is in there?
How to Identify and Treat a Semen Allergy
Oral sex, semen displacement, and sexual arousal: testing the ejaculate adjustment hypothesis.
A searchable database of the laws, people, organizations, and litigation involved in sexual and reproductive health and justice in the United States. This Week in Sex is a weekly summary of news and research related to sexual behavior, sexuality education, contraception, STIs, and more. For example, in , when Ebola hit many nations in West Africa, researchers warned that survivors might be able to transmit the virus to their sexual partners , since the virus had been found to live in semen for months and, in one case, days. Researchers at Oxford University in England conducted a review of scientific literature to find out how many other viruses might be present in semen. The answer: The list includes a number of herpes simplex viruses such as chickenpox; hepatitis C; Epstein-Barr; mumps; and less common conditions such as simian foamy virus, which can be passed from primates such as monkeys to human beings. They are also questioning whether the presence of viruses in semen could be harmful to sperm.
This Week in Sex: Semen Can Carry Dozens of Viruses
The rare condition is more common in women, affecting up to 40, women in the United States. Keep reading to learn how to recognize the symptoms, your options for treatment, how this may affect your ability to conceive, and more. You may be having an allergic reaction if you experience one or more of the following symptoms after exposure:.
Male Indian Flying Foxes Pteropus giganteus that spend more time performing oral sex on a female also spend more time copulating with her. In humans, men who spend more time copulating with their regular partner also perform more "semen-displacing" copulatory behaviors e. We investigated whether men who spend more time performing oral sex on their regular partner also spend more time copulating with her and perform more semen-displacing copulatory behaviors. We proposed and tested the ejaculate adjustment hypothesis for men's copulatory behaviors: Men adjust their copulatory behaviors to increase their sexual arousal and consequent ejaculate quality, thereby increasing their chances of success in sperm competition. Two hundred and thirty-three men in a committed, heterosexual relationship responded to questions about their copulatory behavior and sexual arousal during their most recent sexual encounter with their long-term partner.