along with the development of the technology needed to send humans to Mars, also studies are underway to determine how it would affect the human body be exposed for a long time in the extreme environment of space. The answer would not be pleasant.
according To a study published in the journal Scientific Reports and carried out in mice, the cosmic rays (also called cosmic radiation) that bombard astronauts in space can generate, in the long term, considerable damage to the brain and cause cognitive impairment and dementia.
The study indicates that the damage generated by prolonged exposure to the particles highly charged energy that are in the cosmic rays, since this exposure may interfere with the "extinction of fear", a process by which the organism overcomes situations of much stress and fear. "This is not a positive news for the astronauts to do a mission in two or three years to Mars," said professor Charles Limoli, an expert in oncology radioactive of the University of California (EE. UU.) and lead author of the study.
"The space environment poses specific hazards to astronauts. is exposure to these particles can lead to a number of possible complications in the central nervous system that can occur during the space voyage and persist after this, as a decrease of performance, memory deficits, anxiety, depression, and problems for decision making", adds Limoli.
To demonstrate these effects, Limoli and his team bombarded mice with charged particles (oxygen is fully ionized, and titanium).
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