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Top 10 Sex Studies in 2013

The worst stereotypes of science suggest that it is staid. Boring or overly complicated. Not these studies. More often than people might think, science gets downright dirty, peering into bedrooms and asking nosy questions about secret fantasies. The science of sex is anything but dull. Keeping that in mind, here comes the top 10 sex stories most likely to have cause blushing in the year of 2013.

1. More housework, less sex?

A February study on American Sociological Review suggests that egalitarianism in household chores might not result in scorching hot action in the sack. The researchers found that men who did more “feminine” chores like cooking and washing had less sex than those who did not.

This study was correlational, so household chores may not be a direct turnoff, but the researchers said that egalitarian relationships may be less spicy. However, it should be also noted that there was research showing that people in equal partnerships are happier.

2. After baby, women wait

Doctors normally clear new moms to have sex six weeks after delivery, however, most women wait a bit longer – at least for vaginal sex. A study on BJOG reveals that 41 percent of women had resumed vaginal sex within six weeks, 65 percent had by eight weeks, 78 percent had resumed sex by 12 weeks and by six months, the number was 94 percent. However, more than half (53 percent) of women had engaged in sort or sexual activity by six weeks.

 

Mom and baby

Moms are busy with their babies, so dads have to wait. *Image source: Shutterstock.

3. So do dads

After childbirth, moms are not the only ones who experience sexual changes. Dads also have highs and lows. According to an August research on Journal of Sexual Medicine, stress, fatigue and babies who won’t sleep were the major factors that kept new dads from feeling sexual desire.  Factors such as their spouse’s breastfeeding or vaginal bleeding were of less influence.

4. Sex for headache relief

According to a study on March Cephalalgia, about one third of migraine sufferers get relief from getting busy with sexual activities. “Honey, I have a headache” might be more of a come-on than an excuse. Although it is unclear why sex can relieve some migraines, endorphins released by the brain during sex might explain the soothing effect, the study said.

 Sex relieves headache

Is Love a panacea *Image source:hoyquehay.net

5. Bats have oral sex

Obviously, humans are not the only species to get creative sexually. A bat species called Indian flying foxes (Pteropus giganteus) does, as well. Researchers reported that male flying foxes perform oral sex on females before penetration in March PLOS ONE. The researchers explained that by doing so, the males can probably increase the chance of conception. They may also be removing competitor’s sperm from the females’ virgins, they added.

6. Hookup culture isn’t so wild

In the eyes of popular media, modern college students seem to be hopping from bed to bed in a series of casual sexual relationships. However, researchers said that “hookup culture” is overblown in a presentation in August 2013 at the annual meetings of the American Sociological Association.

The researchers compared responses from national representative investigations of 18- to 25-years-olds taken in 1988-1996 and 2002-2010. They discovered that in both groups, around 31 percent said that had had one sexual partner in the last year. Only half reported having more than one sexual partners after 18 years old. In another word, college kids don’t seem to be getting more promiscuous than the last generation.

7. Sex as exercise?

If the previous term is true, then those college students may be missing out on some moderate caloric burning activities, according to research published in October 2013 in the journal PLOS ONE. The researchers asked the participants to use wearable fitness monitors as they had sex in the course of their everyday lives. It was found that sex burns an average of 4.2 calories per minute for men and 3.1 calories per minute for women – better than a walk, but not as good as a jog. The researchers noted that although sex is not the most efficient exercise for weight loss, it could count as a part of someone’s daily workout if applied at moderate intensity.

8. Hookups don’t lead to orgasm for women

Researchers conducted a research on 600 college students in November and found that casual “hookup” sex is anticlimactic for women much of the time. Hookup sex was half as likely to lead to an orgasm as sex within a relationship for women. The researchers suggest that relationships might be more orgasm-friendly for women since her partner learns what she likes and cares about her needs.

Another climax news says orgasms may happen in the foot. The Journal of Sexual Medicine reported that a 55-year-old woman experiences sensation starting in her left foot, traveling up her leg to her vagina, and causing what felt just like an orgasm achieved during sex.

9. How hormones influence sex

It is difficult to uncover the hormonal influences on the female sex drive, partially because many women in relationships might have sex when they are not necessarily “in the mood”. However, an October study published in the Journal of Sexual Medicine investigated how hormones are associated with ovulation influence sex drive and it found that single women have more sex around ovulation, suggesting this window of fertility may nudge women towards sex. However, women in relationships were less influenced by biology, the study said.

10. Male birth control blocks sperm

This year, the search for effective and same male birth control beyond condoms continued with a promising rodent study indicating there might be hope for manly contraception. Using a combination of drugs, this method may allow sperm to be produced as usual, but prevent that sperm from travelling through the vas deferens and out of the urethra during ejaculation.

Although the road form rodent study to human drug trail is very long, the researchers remain hopeful. “A lack of ejaculate has the potential to be disconcerting,” the researchers wrote in their study in December PNAS.

 manly contraception

When will safe, efficient manly contraception come out? *Image source: Shutterstock

Source Live Science.

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