what snack to eat during cancer treatment
Ease Side Effects With Food. Certain foods can help ease the common discomforts from cancer treatment. 1  Conquer constipation by drinking water and eating high-fiber foods like beans, lentils, vegetables, and fresh or dried fruit. 2  Drive away diarrhea with bland foods such as rice, bananas, and apples. 3  Drink water to stay hydrated.