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Scientists and space doctors have examined the general state of the immune system of astronaut Scott Kelly. The test showed that his immune system was in a high state of alert and that he was not active in some of his genes compared to his corresponding twins on Earth.
This change could indicate a significant change in the body environment, which will allow scientists to make new discoveries that would expand the medical field.
Scientists have not yet decided whether the changes are better or worse, but the results of the unique study on NASA twins have raised new questions for doctors, all the more so as the agency aims to send people to Mars.
Twin genetic analyzes provide an unprecedented opportunity for scientists to trace the details of human body biology, such as how astronauts' genes function in space differently than the Earth.
Scientists on confusing change said Friday at a press conference that Kelly's immune system was very active.
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