1. “Cosmic disease” is felt by almost every cosmonaut. It is caused by the fact that the inner ear receives inaccurate information. This leads to nausea, and sometimes to headaches.

2. In zero gravity, body fluids move upward, which causes blockage of the nasal canal. The face becomes puffy. There is a loss of calcium from the bones. Muscle tissue also atrophies, which leads to a slowdown in the intestines.

3. Cosmonauts in space suffer from constipation and become slightly higher, since in weightlessness pressure on the spine decreases.

4. Astronauts snoring on Earth sleep quietly in space. This was clarified as a result of an experiment conducted in 2001.

5. It is difficult to fall asleep in space, because 16 sunrises a day have a negative effect on the circadian rhythm.

6. If by stupid accident you find yourself in a space vacuum without a spacesuit, holding your breath will not save you, the lungs will burst due to sharp decompression, the fluid in the nose, eyes and mouth will boil away.

7. Virgin Galactic, a space travel company, wanted to refuse to provide services to women with breast implants because of fears that they might explode.

8. The astronaut John Glenn had difficulty swallowing food due to the lack of gravity. The first astronauts were provided with food cubes, tubes with porridge and dehydrated food.

9. Current astronauts are able to season food with liquid salt and liquid pepper. Scattered granules can fly apart, falling into the nose and clogging the ventilation holes.

10. In order to use the toilet, it is necessary that the astronaut was exactly in the center of the toilet seat. They learn to sit down correctly on a model equipped with a camera.

11. NASA tried to equip latrines in spacesuits - a tight-fitting condom secured to an external drain container for men and a molded gynecological insert for women. But then this idea was discarded, and diapers were given.

12. Having returned to Earth, right after landing, it is very difficult for astronauts to move their hands and feet, which is why they call the landing “second birth”.

13. Those who have been in orbit for a long time report that the most difficult thing in adapting to life on Earth is that when you release objects, they fall.

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