Of course, sex is only useful if it is a pleasure. If you disliked partner or the whole act of a few minutes, neither of which benefits and can be no question. To sex and pleasure to be useful, it must be a regular, long-term and high-quality.
The first thing that gives sex - is the health of the genitals. With regular acts are improving blood circulation. Without sex for both men and women may cause genital diseases.
Sex - a great pain reliever. Whatever pain during intercourse, it becomes smaller. It does not matter, broken leg in humans, have a headache or prischemlen finger. This is due to the fact that the blood ejected endorphins, they act like a weak drug. Only time their actions is small, and they are not addictive.
People who regularly get satisfied in bed, less suffer from colds. This is due to the fact that the amount of blood increases immunoglobulin antibodies. They prevent the development of the body of many viruses, including colds.
With sex being spent calories. This not only helps to maintain excellent physical shape. With a decrease in body fat and reduced risk of cardiovascular system, reducing the amount of cholesterol in the blood. 10 minutes having sex, you can lose about 120 calories. Of course, this is only possible if the person is actively moved.
Uterine contractions during orgasm significantly reduce pain during subsequent menstruation. During menopause sex can reduce the number and duration of the tides. And men still the same sexual intercourse prevents prostate disease. This is one of the main advantages of sex for men.
Some scientists also believe that lovemaking increase creativity by stimulating the brain. But to prove such a pretty difficult. But also those useful properties that have been verified, it is enough to make even more love sex.