This seems to entirely neglect weight change due to breathing- which some researchers claim is significant. https://www.bmj.com/content/349/bmj.g7257 https://ww

This seems to entirely neglect weight change due to breathing- which some researchers claim is significant. https://www.bmj.com/content/349/bmj.g7257 https://www.bmj.com/content/349/bmj.g7257 (FWIW, after reading this paper I was just more confused about my field of study than before)