Research Suggests Living in Space may lead to Infertility
A novel research unveiled that weaker 'micro' gravity and high level radiation may destroy sperm cells and lead to infertility.
Experiments were carried out on mice in which they were left with hind legs suspended in a way that imitated microgravity and the result was rats became infertile. The study passes a negative message for scientists who want to settle human colonies on Mars.
The research suggests that living in space may damage sperm cells and reproductive organs. Researchers from the University of Kansas said that the effects of microgravity in space and radiation exposure damage the cells that are involved in making sperms.
When the researchers recreated the microgravity conditions and suspended rats as mentioned above then they noticed that changes come in the cells that make sperm in the testes. The changes in the testes meant that no more rats were able to make sperm and eventually they became infertile.
The researchers did not notice any difference in rats' behaviour. Lead researcher Dr. Joseph Tash was of the view, "The animals still had a strong mating urge. So a male astronaut could come back without any change in behaviour but they may be shooting blanks and maybe they are unaware there is a problem".
But Dr. Tash also affirmed that for now, it is not known whether these findings will be applicable on humans or not. There is no human data to prove that these results will be applicable on humans as well. Dr. Tash said that astronauts have already come back from space damage with eye damage and other health problems.
After the testes, eyes are the most sensitive part of the body. Many astronauts are coming back with eye problems, so it is suggested that the testes must have already been exposed.
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