Bryan Johnson· Author
the sun ages your skin > UVB peaks around noon > UVA stays high all day > both damage the skin
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
the sun ages your skin > UVB peaks around noon > UVA stays high all day > both damage the skin
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UVA is what contributes to aging skin and melanoma risk.
but both are responsible for skin cancer
traditionally UV you can think about it as UVA the eight might stand for aging and the UV p is for burning UVB is what's responsible for your skin turning red
That's A for aging.