Fun facts about sex you didn't know

5-15 minutes

Sexual intercourse is an exercise in which the body is under high tension. The muscles of the whole body are tense and the blood pressure rises, which can easily cause excessive fatigue and lack of energy the next day. Therefore, the best duration of a sexual intercourse is between 5 and 15 minutes.

2 km

The energy consumed by an ordinary sexual intercourse is equivalent to a 2-kilometer jog. It is best not to do this exercise every day to avoid lumbar muscle strain or premature ejaculation.

2–4 times/week

Sex should not be too frequent, 2 to 4 times a week is enough. As you get older, you should exercise within your ability so that you don't feel tired when you wake up the next day.

4 types

Some studies suggest that sex is also a way to exercise the brain. During sex, four different chemical reactions occur simultaneously in the human brain that help exercise thinking ability. Moreover, after sex, the increase in serotonin levels in the human body can also help improve creative thinking.

2x

In the human body, macrophages will actively detect and devour bacteria that are harmful to the body to ensure the health of the body. During sexual intercourse, especially after orgasm, the number of macrophages increases to twice the usual amount.

100-120 times/min

During normal sexual intercourse, the human heart rate usually reaches 100 to 120 beats per minute. People with heart disease and high blood pressure should be especially careful when having sex, slow down their movements, and do not spend too much time doing it.

Half an hour

After sex, each system needs time to recover. If you fall asleep immediately at this time, your body will feel tired more easily. It is better to talk to your lover or read a book for about half an hour, and then go to sleep after your body is calm. This will help you recover better.