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The most obvious issue is exposure to radiation. Once you're beyond the earth's atmosphere and magnetic field you are exposed to much higher levels of radiation from cosmic rays and solar flares. It's also possible that microgravity (weightlessness) could have effects on the reproductive system, but this isn't well studied yet. However, given the source you ...


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Well the stomach is capable of creating HCL, with a Ph of 2 on average, so most bacteria die in the stomach anyway. The acid in acidic drinks is not even strong enough to be any help and as it is any bacteria that are not killed by the stomach cannot be killed with the help of acidic drinks unless they have special healing properties. And acidic sugary ...


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