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Sex myths debunked

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Men reach their sexual peak at 18, and women reach theirs at 28: TRUE
With regard to their supply of sexual hormones, at least. Testosterone peaks at age 18 in men; women's oestrogen hits its high point in their mid-20's.

"But peak hormones don't mean peak sexual performance," says Dr Marc Goldstein, a professor of reproductive medicine and urology. So feel free to try for a personal best at any age.

Semen is low-carb: FALSE
"Semen is mostly fruit sugar (fructose) and enzymes – not low-carb," says Goldstein. Which finally explains why there's no Oral Sex Diet.

Oysters make you horny: FALSE
You make you horny. "There is no scientific evidence that oysters increase libido," says urologist, Dr Jon Pryor. "But there may be a placebo effect, so if it works, great!" Isn't the mind wonderful?

Having sex before an important event – the big game, the critical presentation – can ruin your performance when the time comes: FALSE
Swiss researchers performed stress tests some time ago on people two and 10 hours after they'd had sex and found that by 10 hours, the participants were fully recovered. There was only a small dip in performance two hours after sex.

Having sex in water (swimming pool, hot tub, shower) will kill sperm: TRUE
Some of his swimmers may die, but it isn't an effective method of birth control, says Pryor. Though a hot tub can overheat your man's testicles and kill sperm, there should be plenty left for the egg hunt.

The average erection measures 20cm: FALSE
Tell him to relax. It's closer to 15cm.

Cutting out broccoli will make his semen taste better: TRUE
Semen is naturally bitter and eating broccoli and drinking coffee can make it worse. A ray of hope for the Oral Sex Diet!

Men think about sex every seven seconds: FALSE
That number is tossed around a lot, but the truth is that only 23% of men claim to fantasise frequently. But maybe the rest are just too distracted to check the clock.

You can become addicted to internet porn: TRUE
But the risk is low. Only one percent of all people who check out Internet porn will actually become addicted. If you're sporting a ring, be careful: Almost 40% of addicts are apparently married.



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