Cancer and cancer therapy can be very destructive to the human body. A well-nourished body can fight cancer more effectively, because the immune system is stronger. The patients needs to follow a well-balanced diet to strengthen the immune systems and help the body to heal.

Cancer treatment can cause a loss of appetite and nausea. Patients need advice on choosing food that will be well tolerated. Patients often also need help with choosing food, supplements and meal replacements.