Global Health

Blue light: What we do and don’t know about the damage it causes our skin

The damage caused by blue light from screens is insignificant compared with sun exposure. Image: Unsplash/bruce mars

Karl Lawrence

PhD Candidate in Photobiology, King's College London, King's College London

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Someone using a laptop with a bright screen.
We are all exposed to more blue light than ever before. Image: Unsplash/Glenn Carstens-Peters

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