When Did Humans Start Having Diseases?

· GM Kids Series 576 Buku 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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