Utilizing healthy diet and nutrition can reduce risk of developing cancer and help the body recover after treatments. Proper nutrition is important for cancer patients during and after cancer treatments. Treatments have that ability to cause malnutrition. This page is dedicated to help educate how healthy diets and nutrition affect the human body. The following content is provided by various health organizations, along with Dr. Northfelt a Hematologist/ Oncologist, Professor of Medicine at Mayo Clinic in Arizona.