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.
studies show that frequent moderate to vigorous acute exercise sessions lasting about an hour can boost the body's immune system but repeated high-intensity training or competition in endurance activities such as long-distance running can actually diminish it due to exercise induced oxidative stress
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.
excessive exercise induced reactive oxygen species can promote immune dysfunction but the extent varies according to the duration and extent of exercise