Interesting Facts About Sex

    It's always good to learn something new about sex! Here are some exciting facts to bring to your attention.

• Studies have shown that sex relieves headaches just as well as painkillers.
• During orgasm, oxytocin levels, the hormone of love and joy, increase fourfold.
• Sex strengthens the immune system. Studies carried out by Wilkes University in the USA proved that people who have sex twice a week get sick with the flu up to 30% less often.
• Sex is a drug. Endorphins, which are produced during lovemaking, affect the same areas of the brain as, for example, heroin.
• The average sperm ejection rate during ejaculation is 45 km/h. And in a lifetime, men produce about 15 liters of sperm.
• A number of sperm sufficient to repopulate the Earth with humans can fit in one capsule of aspirin.
• There are about 4,000 nerve endings in the head of the penis.
• Research by Dutch scientists has shown that people whose feet are warm are more likely to reach orgasm. So you don't have to take your socks off before sex.
• Phenylethylamine, the euphoric chemical found in chocolate, is the same chemical produced in the human brain when one falls in love.
• More than 500 muscles are activated during lovemaking. 
• On average, a man loses his virginity at 16.9 and a woman at 17.4. This can be influenced by genetic predisposition: more impulsive people usually start their sexual life earlier.
• Only humans, pygmy chimpanzees, and dolphins have sex for pleasure.
• During sex, the part of the brain responsible for fear and anxiety is turned off.
• 30 minutes of sex burn 200 calories. 
• 3% of people on earth do not have sexual fantasies. 

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