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Even DNA can change,
According to NASA's research, there are 8 to 10 physical changes after going to space.
That is why astronauts undergo special training before going into space.
By going into space, one feels changes in gravity, fast radiation, space-friendly diet and breathing-related things.
According to researchers, if you stay in space for a long time, such biological changes can occur in your body.
The hands and feet become numb as soon as they reach space because the fluids like blood move from the feet towards the head,
And the force of gravity becomes zero. This makes you weightless. When there is no gravity, the blood and other fluids flowing in the body flow from the feet towards the head. This causes an adverse effect on your body and this makes the hands and feet numb.
Due to low gravity in space, when fluid moves from the feet towards the head, the face starts swelling. This makes the face bigger and heavier, causing changes in the face.
The inverse flow of fluid causes pressure on the brain. This can also make the eyes worse. Cataract disease can occur due to rapid radiation in space.
The astronaut is given special exercises to stay in space. After being in space, you have to exercise continuously. If not, you can lose about 12% of your bone density, causing problems like changes in the bones of astronauts.
When gravity becomes zero, it does not pull the person down. This does not allow the bone attached to the spinal cord to save the fluid-filled disc between the boomers. This increases the length by about 4%.
Muscles begin to shrink in space. You do not need muscles when you are weightless, so they absorb extra tissue. This is the reason that exercise is very important for every traveler in space.
There is high radiation in space. The possibility of cancer increases if you stay there. Outside the Earth's protective magnetic field, your body is at risk of getting cancer.
When in space, the body's genes behave differently. It also affects fertility. Its effect remains until it comes back to Earth, due to which DNA changes are possible.
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