[dredmorbius]

If something you're eating is making you sick, then not eating that thing will make a tremendous difference in your health and quality of life.

"If you haven't got your health, you haven't got anything."

-- Tyrone Rugen

[swores]

That is indeed quite obvious, but parent comment was asking about a specific person's situation, not whether food is possible or making somebody sick generally or whether it's bad to be sick.

[dredmorbius]

I'm not OP.

But I've found myself occasionally faced with food-related unpleasantness, and it's remarkably debilitating.

YMMV

[dredmorbius]

It can even lead one to the Pits of Despair.