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What electromagnetic waves are dangerous for humans and why?

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What electromagnetic waves are dangerous for humans and why? What can we do about this?

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This solution answers questions regarding electromagnetic waves and human safety.

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Of the entire EM spectrum, only the part that is known as ionizing radiation is harmful to humans. The non-ionizing radiation, for example the visible rays, can also be harmful at very high levels of exposure. We all have felt the burn of intense sunlight on our skins.

Ionizing radiation is the spectrum of EM waves that have high energies or low wavelengths. For example, ...

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