When you feel sick to your stomach and don't eat a lot, example like 1 meal and 1 drink a day. is that bad for your health?

That is bad for your health, if you don't at least get 1,000 to 3,000 calories a day, you are slowly killing yourself

Iheard your stomach gets smaller and you don't eat much. is that correct? yes that is correct because once you  don't eat  a lot for a long time then you  can't eat a lot ever and you have it eat a  little more at a time.make me brainiest !