Why do wave frequencies higher than visible light hurt us while others do not affect us?

Why do wave frequencies higher than visible light hurt us while others do not affect us?
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Electromagnetic radiation in the UVB band and up are able to ionize atoms, this can cause serious biological damage.Electromagnetic radiation in the UVA band and down cannot ionize atoms. The visible light band is just below the UVA band.
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Why do wave frequencies higher than visible light hurt us while others do not affect us?

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