20 Interesting sex facts everyone should know

Molly Cerreta Smith loves writing about all things mommy, parenting, food, health and travel. When she's not staring into the face of her Mac, she loves to hike, read, do messy crafts with her kids and compete in BBQ competitions with he...

1. Vibrators were invented for something else

The vibrator was originally invented in the 19th century as a way to reduce "hysteria." That seems a little extreme. However, we do not recommend testing that theory by taking away a woman's vibrator to see if she goes into a hysterical fit. That's just dangerous.

2. The sperm ratio

Your average healthy man produces approximately 300 million sperm in just a teaspoon of his semen. However, it only takes one little swimmer to fertilize a woman’s egg and it can live for up to a week inside your body.

3. The first thing people do after sex is...

Forget post-coital cuddling! According to a poll by consumer electronics site Retrevo.com, 36 percent of people under the age of 35 check their Facebook and Twitter accounts after a roll in the hay. Hopefully, they are not posting any pictures!

4. Which sex actually gets busy more often

Think men get laid more than women? Wrong! According to Men’s Fitness, women have sex 17 percent more often than the average guy. Go girls!

5. The longest orgasm

Even though the male O seems to get all the attention, it turns out the women get the last laugh when it comes to climaxing. The average female orgasm lasts 20 seconds — 14 seconds longer than the male's six-second O.

6. Orgasms are good for you

Orgasms are good for your health! They can lower a woman's risk of heart disease, stroke, breast cancer and even depression. So have sex and get happy!

7. Sexercise is not a myth

Sex counts as a workout! During 30 minutes of active sex, you burn about 200 calories. And you can even have an orgasm while working out.

8. Women are friskier than we admit

Even though straight women reported only being aroused by men, researchers at the Queen's University in Kingston, Ontario, found that most women in a study became aroused by every sexual stimulus they saw — including nude male and female bodies, heterosexual and homosexual sex and even animal sex.

9. Sex makes you dirty, in a good way

When aroused, people are not as likely to think things are disgusting, according to a study published in the online journal PLOS ONE.

10. How your brain responds to sex

Researchers at Rutgers University, who used fMRI scanners to find out exactly what happens in your brain when you're aroused, found that different regions of the brain became activated in response to stimulation of the vagina, cervix, clitoris and nipples.

11. Sex releases hormones that prevent you from peeing

Ever notice that it's kind of tough to go pee right after sex? Your body releases an antidiuretic hormone when you orgasm, which prohibits you from going potty as easily as usual. Just don't hold it for too long, or you could risk infection.

12. Why it can be hard to conceive

Most of the time, a woman only releases one egg per month.

13. How young teens start having sex

According to Live Science, by the age of 19, a whopping 71 percent of American teenagers have already had sex.

14. Answering your phone during sex

Mom can multitask! According to a survey, at least 12 percent of moms admitted to using their cellphones during sex.

15. When kids lose their virginity

The Kinsey Institute estimates that, on average, boys lose their virginity at age 16.9. For girls, the age jumps to 17.4.

16. Physically talking about sex makes sex better

People who are more open to talking about sex are actually happier with their sex lives, according to Live Science.

17. You're not the only one aroused by food

Think food is sexy? Some people admit to feeling a similar sense of arousal when thinking about food as they do when thinking about sex.

18. Your body image plays a huge role in sex

According to Live Science, a small study of obese women found that those who accepted their bodies reported better sex. So appreciate your body, or your sex life could suffer!

19. Sex increases your pain threshold

According to a study published in the Journal of Sex Research, a person's pain threshold significantly increases during arousal.

20.You brain turns off (sort of) during sex

According to a study from the University of Groningen in the Netherlands, the amygdala — the part of the brain involved in fear and anxiety — shuts down during a female orgasm. So that brain mush you experience during sex is legit!

More : Sheknows

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Top 30 Weird Sex Facts You May Not Know

Top 30 Weird Sex Facts You May Not Know

Many facts about sex have become knowledge, but some still lay hidden in secret, just waiting to be discovered. The following weird sex facts may have you thinking for quite some time.
1

Women are more willing to commit adultery during their ovulation than at any other time throughout their cycle—most notably due to their bodies’ desire to fertilize the ovulated egg.
2

Most women who lose their virginity between ages fifteen and nineteen actually wish they had waited a bit longer. Additionally, most teenagers lose their virginity by age 17, but those who have not lost their virginity by 24 tend to stay a virgin.
3

If a female ferret does not have sex for a year, she will die. Thankfully, this is not true for human females whose sexual desires can remain strong, but not strong enough that the anticipation and waiting will cause them to die.
4

Some people are wired to have more sex than others. Scientists are not entirely sure why this is, but it is true in both males and females. Some will want more, while others will want less; it just depends on how their brain is wired.
5

This is one of the weird sex facts that most of us have not heard about before. During intercourse, your inner nose swells just as your breasts and genitals will. This is most notably due to the increased flow of blood while having intercourse.
6

Contrary to what men and women are led to believe, the size of a man’s penis fully erect is not really that important. Besides, the average length of an erect penis is 5.6 inches.
7

For men, sex burns between 100 and 200 calories on average. On the other hand, it only burns approximately 69 calories for women.
8

In case you were wondering, there is enough sperm in one single man to impregnate every woman on the planet who is fertile.
9

We all know you need to be in good health to have great sex, but studies show that lower cholesterol is directly related to a better performance in the bedroom.
10

For those who are wondering if their grandparents and great-grandparents still have sexual intercourse, the overwhelming answer is yes. Approximately one third of women in their 80’s continue to have sex with their husband or boyfriend, so long as they are both in good enough physical health to do so.
11

Humans are not the only ones interested in performing oral sex, wolves, bears and bats are also known to participate in the practice quite often.
12

While many know that chocolate can be an excellent arousal for having sex, apparently the smell of pumpkin can help increase the blood flow to the penis to encourage an erection.
13

Low blood sugar can easily cause harm to your love life as low blood sugar makes you irritable and less likely to want your partner.
14

At the point of orgasm, both men and women tend to have a heart rate of approximately 140. This is not excessive, but just enters the common cardiovascular zone.
15

For men under the age of 40, their average time to erection is a mere ten seconds. For some it is shorter, and if it is much longer than ten seconds, it may be an indication of erectile dysfunction.
16

The initial spurt of a man’s ejaculation travels at approximately 28 miles per hour, even faster than the 100 meters dash world record, which is currently 22.9 miles per hour.
17

For those intrigued by having a threesome, you will need to travel to Australia as 28% of the population admits to having done a threesome at least once.
18

Only 5% of the population have sex once a day, while 20% have sex 3-4 times a week. The rest of the population are unknown, but hopefully not too spread out.
19

Women have the ability to make their voice sound “sexier” in order to entice their men when needed. Men, however, do not possess such an ability and simply have to rely on other factors.
20

Approximately 60% of men who get aroused have erect nipples. In fact, the nipples are just as sensitive in men as they are in women, which is why so many men get erect nipples.
21

The recipe to the sensitivity of the clitoris is its 8,000 nerve fibers, which is twice as many as contained in the penis. As such, it is this area that most helps a woman reach orgasm.
22

As an orgasm becomes imminent in a woman, the vagina decreases in size by as much as 30%. This contraction is most likely to help increase the sensitivity felt by the woman as she climaxes into the orgasm.
23

Masturbation is known to help cure depression as the release of emotions and hormones when orgasm is reached to put your mind at ease, and make you more comfortable with your own body.
24

In order to know how much testosterone a man has, compare the length of his ring finger to his index finger. The longer the ring finger is in comparison to the index finger, the more testosterone in his body.
25

For a woman attempting to reach climax, it will take her only four minutes through masturbation. However, it can take upwards of 10-20 minutes to reach climax during intercourse.
26

This could be one of the weirdest sex facts you never heard about. Women who are prone to migraines are also more likely to have more sex, this is because orgasms can help alleviate the pain of a migraine.
27

Approximately 1% of women can achieve full orgasm solely through stimulating their breasts.
28

Nearly two thirds of all men and women have fantasized about another person while having sexual intercourse with their current partner. Typically, the one being fantasized about is not someone they will be able to have intercourse with, but it may increase theirs or their partners satisfaction.
29

When you are aroused and prepped for sexual intercourse, you are actually less likely to be grossed out by anything that happens.
30

Orgasms, along with sneezes, cannot be voluntarily stopped once they have started because they are physiological responses to an event.

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