David Sinclair· PhD
UV radiation from the sun ☀️ or tanning beds induce thymine dimers (cross-links in DNA), leading to breaks, mutations that can cause skin cancer & epigenetic noise that accelerate aging
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
UV radiation from the sun ☀️ or tanning beds induce thymine dimers (cross-links in DNA), leading to breaks, mutations that can cause skin cancer & epigenetic noise that accelerate aging
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