Nutrition and Common Eating Problems The benefits of eating a healthy, balanced diet are well documented. This remains true even if you are receiving treatment for cancer. The following is a growing list of resources we believe you will find helpful. Remember, your doctor is the best source of information regarding your specific condition and needs.  Please click on an area below for more information:   Good Nutrition Sample Diet When Eating is Difficult Loss of Appetite Sore Mouth and Throat Changed Sense of Taste Dry Mouth Nausea Vomiting Diarrhea Constipation Weight Gain Dental Problems Clear-Liquid Diet Full-Liquid Diet Soft Diet Fiber Restricted Diet Low-Lactose Diet