[dekhn]

"Burning" fat doesn't violate conservation of mass/energy. Instead, weight loss occurs primarily through co2/oxygen exchange that is connected to metabolism.

https://www.bmj.com/content/349/bmj.g7257

(note I don't totally agree with this paper, and agree that if you eat almost no food, you will lose weight, and that exercise definitely seems to increase the metabolic rate and increased mass exchange in the lungs. Like I said, it's complicated).

I'm not being disingenous or irresponsible- I'm describing mainstream science based on biophysical data.

[andoando]

I don't think its accurate to say "weight loss occurs primarily through co2/oxygen exchange". CO2 being breathed out is the just the end product of weight loss.

[jtmarl1n]

Thanks, I appreciate that link. I had a chance to read this today and found it very interesting.

Apologies for the tone in my original comment. I misdirected work stress this morning.