Bryan Johnson· Author
Now push that up to 90 dB and the safety zone reduces to 4 hours. That's when you start risking hearing loss. Earbuds can easily hit 100 dB on max volume. Meaning just 15 minutes of that exposure can cause hearing damage.
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.
Now push that up to 90 dB and the safety zone reduces to 4 hours. That's when you start risking hearing loss. Earbuds can easily hit 100 dB on max volume. Meaning just 15 minutes of that exposure can cause hearing damage.
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.