Recent studies Sexual activity for men, women, gay atupun proved capable of raising the level of testosterone, although the effects of testosterone increase more prevalent in women. In women testosterone increases the more easier for them to have an orgasm, improve self-confidence, and make them a more visible section, as quoted by Discovery News, Sunday (11/03/2007).
The hormone testosterone itself plays an important role in the development and maintenance of masculine physical characteristics in men, although women also have it in amounts not so much.
In the first study (there are two studies in this research) mentioned women and men can change their hormone levels based on how often they hugged, making out or having sex, which would automatically increase the level of testosterone.
Rising and falling levels of testosterone can lead to health, although the increase was still detected within reasonable limits.
"The first study we found a positive effect on testosterone levels rise," said study leader Sari van Anders, a researcher from the Department of Psychology, Simon Fraser University, Canada, who conducted the study along with his team two series separately.
A study published in the journal Hormones and Behavior for, examine the level of testosterone in 49 women before and after cuddling, intercourse and physical exercise.
After performing sexual activity, respondents were asked to fill out questionnaires including the experience of orgasm, levels of sexual desire, and feelings that they feel after having sex.
In this exercise also beperan, since physical activity can alter a person's biochemistry.
Studies on the respondents noted the level of testosterone before and after cuddling and intercourse, the results are increasingly rising testosterone levels after intercourse. The higher levels of testosterone, orgasm in women will get better, and felt sexually increasing the next day.
"We still do not know how the levels of testosterone may have increased after intercourse and after physical contact. But there is the possibility to conduct further studies including the level of testosterone in sesk arousal, mood (mood) is more positive, and more energy," added van Anders.
A second study also looked at testosterone increases but do subjects were single, monogamous (sex with a partner) and polyamorous. They are categorized polyamorous are those who have committed sexual intercourse more than one partner.
The researchers found that those who enter the category of polygamy have higher testosterone levels than a single and monogamous. In theory, the researchers said 'relationship maintenance' and prepare to 'compete' also contributed to the increase in testosterone.
Externally, the competition provides a good effect as a weapon to fend off other competitors, while internally more to prepare individuals to be ready to have kids.
Other studies have shown that sperm from different men must compete to fertilize the egg, although women also have the influence to determine who the 'winner'.
Peter Gray, assistant professor of the Department of Anthropology and Ethnic Studies, University of Nevada, Los Vegas, welcomed the results of two studies related to testosterone levels and their relationship in connection with a relationship and sexual activity. Gray agreed that social relationships and sex glands (gonads) affect each other.
Gray also suggested van Anders et al conduct further studies on the relationship of sexual activity with clinical conditions that result in decreased sexual desire and energy.
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