TASS informs about this with reference to Elena Tomilovskaya, head of the department of sensorimotor physiology and prevention, leading researcher at the Institute of Biomedical Problems of the Russian Academy of Sciences.

It is noted that since 2013, Roskosmos and the European Space Agency have been conducting research to study the brains of astronauts. 

“According to the data obtained by scientists after a full program of examination of 11 Russian cosmonauts, in humans during space flight, the volume of gray matter decreases and the volume of white matter of the brain and cerebrospinal fluid increases,” she said.

Earlier, pilot-cosmonaut Maxim Suraev, in an interview with Nation News, spoke about the health effects of flights.