Men evaluated the scent of sexually aroused women as more attractive and expressed an increase in their sexual motivations. Findings suggest the chemical signal of scent alone can elicit a sexual response in men. Read More
Darcin, a sex pheromone named after Jane Austen's famous Mr. Darcy, alters cells in the brain's emotional center of female mice, giving them the power to assess sexual readiness and help with mate selection. Read More
Half of all people who practice sexual swinging use recreational drugs to enhance their experience. Researchers report women are more likely to use drugs than either straight or bisexual men, increasing the risk of them participating in unprotected sex and contracting a sexually transmitted infection. Read More
ESP22, a substance found in a baby's tears, makes female mice more likely to reject male sexual advances, researchers report. Read More
According to researchers, mast cells play an important role in determining whether an animal's sexual behavior will be more typical of a male or a female as they mature. Chemically stimulating mast cells in newborn female mice resulted in them acting more like males as adults. Read More
Kisspeptin, a hormone found in the brain, drives attraction and sexual behavior, researchers report. Read More
A shot of the reproductive hormone kisspeptin enhances brain activity in response to olfactory and visual cues of attraction in men. The findings reveal a previously undescribed attraction pathway in humans activated by the hormone and identify kisspeptin signaling as a potential therapeutic pathway for psychosexual and reproductive disorders. Read More
Researchers report up to 25% of same-sex behaviors are associated with genetic variants. The study identified five new genes associated with sexual behavior. They report there is no one single gene linked to same-sex sexual behavior or orientation, but numerous genes, as well as other factors which contribute. Researchers emphasize the markers may be unreliable in predicting same-sex behavior but may influence the likelihood for specific relationship choices. Read More
Exposure to allergic inflammation, while in utero, increased mast cell and microglia activation, leading to masculinization of dendritic spine density in the preoptic area of females. During adulthood, females exposed to allergic inflammation showed an increase in more masculine behaviors. Read More
Researchers report those with dark triad personality traits tend to dream more about aggression and sex. Read More
A new study reveals those with libertarian views are more likely to use adultery dating websites than those of other political persuasions. Researchers report those who claim more sexually conservative values are, paradoxically, more sexually deviant when it comes to fidelity than their more sexually liberated peers. Read More
Social experience appears to be key for the development of separate, sex-specific neural populations and expression of aggression in male mice, a new study reveals. Read More
