Originally Posted by
miss diesel
Sex makes women feel sexier
Jennifer Viegas
Cuddling raises hormone levels too
Sexual activity for men and women, straight or gay, raises testosterone levels, recent studies show.
This, at least in women, fuels the desire for intercourse, increases the likelihood of experiencing an orgasm and heightens the individual's belief in her own sexiness, the studies show.
The findings are among the first to suggest that men and women can alter their own hormone levels based on how often they cuddle or copulate, both of which can lead to testosterone rises.
The hormone testosterone is usually associated with developing and maintaining male sex characteristics, but women also possess this secreted compound.
Extremely high or low amounts can lead to health concerns, but the detected rises are within acceptable ranges.
"Our [first] paper does suggest that there might be sexual benefits to higher levels of testosterone," says lead author Sari van Anders.
Van Anders, a researcher in the Department of Psychology at Canada's Simon Fraser University, and her team conducted two separate studies.
Both have been accepted for publication in the journal Hormones and Behavior.
The first examined testosterone levels in 49 women before and after cuddling, intercourse and exercise.
'After' included directly following sex as well as the next morning, when the test subjects also answered a questionnaire that included questions about orgasms, levels of sexual desire and feelings of sexual attractiveness.
Exercise was included as a control in the study, since physical activity itself can alter a person's biochemistry.
Overall, the test subjects experienced higher levels of testosterone just before and after cuddling and intercourse, with the greatest rises being associated with copulation.
The higher the testosterone rise, the greater the likelihood was that the woman experienced an orgasm and felt more sexually attractive the next day.
"We don't know how testosterone increases after sex and close physical intimacy might benefit women, but some possibilities to examine in future studies include increased sexual desire, more positive moods, or more energy," says van Anders.
What type of relationship are you in?
The second study also looked at testosterone increases related to sexual activity, but this time the test subjects were single, monogamous or polyamorous. A person is said to have a polyamorous lifestyle when he or she is involved in multiple, committed relationships.
The researchers determined partnered men and women had the lowest overall testosterone levels, while polyamorous men and women both had higher amounts of testosterone than single or monogamously partnered individuals.
The team of scientists theorises the hormone may be involved in "bond maintenance" and in preparing the individual for competition.
Such competition may be either external, as in fending off other suitors, or internal, as in strengthening the person in preparation for a possible child.
Other studies have demonstrated that sperm from different men compete with each other to fertilise the egg, although women also appear to exert some influence over which sperm achieves the feat.
Peter Gray, assistant professor in the Department of Anthropology and Ethnic Studies at the University of Nevada, Las Vegas, has also conducted studies on testosterone as it relates to partnerships and sexual activity.
Gray says the two new studies "are interesting, because they provide another nuance to previous work in this area".
"These studies show that our social relationships and gonads have their own relationships," he says.
In the future, with additional funding and research, van Anders hopes the findings may lead to treatments for clinical conditions related to sexual activities, such as loss of desire and energy.
Sex makes women feel sexier
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