The astronaut grew by 9 centimeters in the Cosmos.

Today I have important news. I underwent medical examination with measurement of physical parameters (somatometry), and it turned out that my growth increased immediately by nine centimeters. That's how I stretched out in three weeks, "Norisige Kanai wrote in a tweet. - This has not happened since the middle and high school classes.

Cartilaginous tissue is very elastic and subject to changes, unlike bone tissue, which under conditions of weightlessness does not undergo practically no changes.

When under weightless conditions the load on the spine changes tens of times, the cartilaginous tissue of the intervertebral discs is straightened out, and this naturally leads to a change, to an increase in the growth of a person, or more precisely, the length of his body, "the doctor said.

It is known that the state of weightlessness leads to loss of bone density - about one percent per month. Due to weightlessness, all body fluids rise, which leads to a puffiness of the face, increased blood pressure and problems with internal organs. In the absence of natural day and night shifts, cosmonauts have sleep disorders, depression and other health problems.