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.
there were studies done in uh in London for example where people would exercise out in streets that had a certain air quality index and in London you can actually do this because there's micro uh PM 2.5 measurements in hid Park versus in Broad Street so they did this research and they knew that even if people exercise out for 1 hour in Clean Air versus polluted air their immune system changed for a whole day based on that one hour of exercise
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.
they knew that even if people exercise out for 1 hour in Clean Air versus polluted air their immune system changed for a whole day based on that 1 hour of exercise