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.
As you go from zone 2 to 3 to 4, you will still produce more energy. You will consume energy. even more oxygen, your VO2 max has not been achieved, which is your maximal uptake of oxygen, but you will now become less efficient and you're moving to a less efficient fuel. You're moving away from this diesel example or the fat.
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.
But there's a local maximum that's occurring in zone 2, which is your highest amount of fat oxidation.