In: O2 Out: CO2 That extra C atom comes from your metabolism. If you're in a cal...

palata · on June 17, 2023

You miss the point of the parent, which is that exhaling is not a chemical process. The point being that the CO2 you exhale is "somehow produced by something", and once it's there you have to exhale it.

That's a way of saying that breathing faster won't burn more fat just because of the breathing: burning fat is a bit more elaborate than that.

dragonwriter · on June 17, 2023

> That's a way of saying that breathing faster won't burn more fat just because of the breathing

Which is wrong, since breathing involves pumping air with your muscles.

palata · on June 20, 2023

Not sure if you got my point but wanted to be pedantic, or didn't get my point at all.

onion2k · on June 17, 2023

If you're in a calorie deficit, it has to come from your C atom reserve storage.

Yes, and that will be your muscle mass as well as body fat if you're not exercising and maintaining a decent protein intake.