[tekla]

Creating mass out of nothing is literally impossible.

[lm28469]

Unless you're a theoretical water container and you burn the food to heat yourself it's much much much more complicated than that

https://www.scientificamerican.com/article/science-reveals-w...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3396444/

[bigbillheck]

Sure, but creating mass out of calories that would instead go into the toilet is not.

[anonymouskimmer]

I am guessing that chronic inflammation can lead to weight gain through fluid leakage into tissues (effectively trapping more non-caloric water weight in the body).

https://open.oregonstate.education/aandp/chapter/26-1-body-f...

> Figure 26.1.8 – Edema: An allergic reaction can cause capillaries in the hand to leak excess fluid that accumulates in the tissues.