Is Being Too Clean Making Us Sick?  In the late 1980s a new idea…

Is Being Too Clean Making Us Sick? 

In the late 1980s a new idea surfaced called the “hygiene hypothesis”. According to this new idea, early exposure to certain bacteria is extremely beneficial to the developing immune system of a child.

Sources:

By: TestTube Plus.

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Is Being Too Clean Making Us Sick?  In the late 1980s a new idea…

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