Cosmic radiation has had a strange effect on the brain

Our planet protects us from many harmful effects, including radiation and high doses of ultraviolet radiation that come from the Sun. The same magnetic field also protects astronauts who are on the ISS or go into near-Earth orbit to conduct research.

However, on other planets, humans will have to face cosmic radiation almost “naked”, and it is still unknown how the fragile body will survive this impact.

Of course, it is obvious that corpuscular radiation will have a negative effect on any living organism, but studies by Russian scientists have also demonstrated the opposite effect of such an event. As experiments by scientists from the V.P. Serbsky National Medical Research Center of Psychiatry and Narcology, assisted by specialists from the Federal Research Center for Problems of Chemical Physics of the Russian Academy of Sciences, have shown, ionizing radiation activates special adaptive mechanisms in the brain that promote the growth and development of neurons in the central nervous system.

Cosmic radiation has had a strange effect on the brain

To study this unusual effect, the researchers exposed seven rats 
to cesium-137 gamma rays, plus carbon-12 radiation, a combination 
that mimics cosmic radiation. The effect was striking: 
Short-term exposure to such radiation not only negatively affects the brain, 
but also has a positive effect, enhancing the adaptation and regeneration of neurons.
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Researchers propose that this is due to an increment in the concentration of choline and a diminish in the concentration of 5-hydroxyindoleacetic corrosive in the core accumbens, which is capable for the remunerate framework and shapes a response to boosts. As the authors of the study explain, such exposure leads to an increase in the activity of animals, although it entails brain damage. This means that in the long term, a person is still able to adapt even to such harsh radiation, albeit at the cost of their own health.