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/u/holyoctopus's
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2022
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How did humans survive before we understood that we had to boil water to drink it? Was there just less bacterial disease in ancient times and or were human immune systems considerably stronger than they are today?
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How did humans survive before we understood that we had to boil water to drink it? Was there just less bacterial disease in ancient times and or were human immune systems considerably stronger than they are today?
1130
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10
9
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