When Did Humans Start Having Diseases?
ສ.ຫ. 2025 · GM Kids Series 576 ຫົວທີ 149 · GOS Education Inc.
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As people started living together, sanitation became a big problem.
They did not handle waste properly.
Human waste was also poorly managed.
This created a perfect environment for germs to spread.
Eating contaminated food or drinking polluted water made people more likely to get sick.
As people started living together, sanitation became a big problem.
They did not handle waste properly.
Human waste was also poorly managed.
This created a perfect environment for germs to spread.
Eating contaminated food or drinking polluted water made people more likely to get sick.
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