Why can ultraviolet radiation and x-rays give cancer but visible light and infared cannot?

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2026-05-09 03:00

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Ultraviolet (UV) radiation and X-rays have higher energy levels than visible light and infrared radiation, allowing them to ionize atoms and damage DNA within cells. This ionization can lead to mutations and disrupt cellular processes, ultimately increasing the risk of cancer. In contrast, visible light and infrared radiation do not possess sufficient energy to cause such ionization or direct DNA damage, making them less likely to contribute to cancer development.

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