Bryan Johnson· Author
you can tint your windows but make sure you choose the right one it should block 99% of UVA and UVB
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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.
you can tint your windows but make sure you choose the right one it should block 99% of UVA and UVB
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
So, I have here film on my windows, which filters out 99% of UVA and UVB because I want controlled light exposure.