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15 Sex Facts You Actually Need to Know

You've probably heard that "knowledge is power." As it turns out, that's totally true when it comes to sex. Sexperts believe that women who are empowered in the bedroom don't just have better sex, they have better relationships. Psychiatrist Gail Saltz writes, "If your sex life is lacking, it can lead to problems outside the bedroom." This can include communication barriers, unhappiness, or even feelings of resentment. Take her expert advice as permission to dig deep into these 15 essential sex facts to improve your sex education.

Female Orgasms Aren't Always Quick

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While the average female can achieve orgasm through masturbation in about 4 minutes, it's normal for an orgasm with a partner to take about 10 to 20 minutes.

Photo: B2M Productions / Ocean / Corbis

Most of Us Have a Relatively Low "Number"

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If you've ever thought your "number" of partners is relatively low compared to your friends, you might be off. The National Center for Health Statistics reports just 29% of men and 9% of women have had 15 or more sexual partners. There's even a free sex partners calculator online to learn how you stack up against the rest of the population!

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Humans Aren't the Only Orally Inclined Species

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As it turns out, humans aren't the only mammals who have oral sex. Hyenas, sheep, primates, and bats have been observed indulging as part of mating rituals.

Photo: Ian Lishman / Juice Images / Corbis

Married Couples Are Moderately Active

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Thirty-four percent of married couples have sex 2 to 3 times each week, while only 7 percent have sex 4 times or more a week.

Photo: Philipp Nemenz / Corbis

Women Fake It Far Too Often

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Sixty-seven percent of women have faked an orgasm. Even more depressingly, just 57 percent of women have an orgasm "most" or all of the time they have sex with a partner. Sexpert Michelle Ruiz believes better communication is key to achieving an orgasm consistently.

Photo: 145 / B2M Productions / Ocean / Corbis

Not Being Able to Achieve Orgasm Is Normal

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If you don't achieve female orgasm on a regular basis, you may be surprised to learn it's not a bad sign. There's almost certainly nothing wrong with you, your body, or your partner. The Society of Obstetricians and Gynecologists of Canada believes that getting to know your body and your favorite types of stimulation is key.

Photo: Michael A. Keller / Corbis

Sex Really Is a Stress Reliever

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If you've ever suspected that sex is just as good as a yoga class (or an ice cream binge) at reducing stress, you are correct. Researchers have found that sex can even lower your blood pressure.

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Sex Is Natural Medicine

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Sex may be right up there with hot tea or chicken noodle soup when it comes to all-natural remedies for a cold. Arousal and orgasm can boost your immune system. No partner? No problem. Masturbation works just as well.

Photo: Monkey Business Images / Corbis

Men Love Pumpkin Spice

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Women may catch a lot of grief over their love for pumpkin spice lattes, but it turns out that men might be the biggest fans of all. The Smell and Taste Treatment and Research Foundation of Chicago reports that smelling pumpkin can "increase blood flow to the penis." Stocking up on pumpkin candles next fall could be a sure-fire way to get your man in the mood year-round.

Photo: James Leynse / Corbis

Sex Is Power

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Turns out, having a healthy sex life can even have an impact on your career. Research on Greek adults indicates that people who get busy at least 4 times a week earn "significantly more" money than people who have less sex.

Photo: Inti St Clair / Blend Images / Corbis

Love Makes Sex Better

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If you've ever suspected that relationship or married sex feels better than casual hookups or friends-with-benefits, you were probably right. Sociologists have concluded we have the most "mind-blowing" sex when we're really in love with our partners.

Photo: Seb Oliver / Corbis

"Sexercise" Really Is a Thing

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Regardless of how you feel about that word, you actually do get a burn on when you get busy. Thirty minutes of sex could burn about 200 calories. However, your workout depends on your height, weight, and activity level during sex.

Photo: Dave and Les Jacobs / Blend Images / Corbis

Communication Is the Best Aphrodisiac

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Both men and women who are able to openly talk about sex are, on average, happier with their sex lives. Researcher Elizabeth Babin recommends using nonverbal cues if talking during sex makes you feel nervous.

Photo: Monkey Business Images / Corbis

Accept Your Body

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Body image issues are common among women—some 91 percent struggle with negative perceptions of their appearance. However, it's crucial to work toward body love. Women of all shapes and sizes have better sex when they accept their bodies as they are.

Photo: Philipp Nemenz / Corbis

Sperm Is Loaded

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A single sperm has more information than you ever thought—the DNA contained is equivalent to "37.5 MB." Each male ejaculation could fill "62 MacBook Pro laptops."

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