Scientists will need a lot of time to understand this change.
That was the result of a study from NASA, discovered from the case of twin astronaut brothers Scott Kelly and Mark Kelly.
NASA astronaut Scott Kelly returned to Earth after spending 340 days in space in March 2016, according to Independent.
The burning sensation of skin every movement is one of the biggest pain that Scott Kelly, astronaut has just returned to Earth after setting a record of 340 days in the universe,
On March 2, astronaut Scott Kelly (USA) and Mikhail Kornienko (Russia) safely returned to Earth after nearly a year of living on the universe.
The two astronauts will fly to the International Space Station (ISS) in 2015 and live there for one year, the longest working time of humans in the station's history.
Vivid images of space and Earth's surface were recorded by American astronaut Scott Kelly, the longest record holder on the International Space Station (ISS).
Not only using instruments, cooking, gardening in the universe, astronauts on the International Space Station (ISS) are also entertained by playing table tennis with water balls.