Not all places may do, but to avoid food, smell, and taste aversions, even thought of treatment can create aversions, which can cause nausea, vomiting even entering the room. To help prevent this they may give or tell you to drink something strong, not alcohol lol, or use strong candy before chemo, radiation, and after your last meal before Tx, so you do not relate that the two. I think it's called, "Scapegoat Techniue" You can ask about that, google it, which can explain better than me. Feel better.