In this tutorial, we learn how to gain weight after radiation therapy. Cancer patients will need a strong focus, because most cancer patients just simply forget to eat. The brain does not tell them they are hungry when sick. First, make sure to eat despite changes in taste, try to eat a well-balanced diet. Also, make sure to take a powdered or liquid weight gain supplement which will enhance appetite. Also, eat five or six small meals a day, which will make you more hungry. Changing your diet and trying new recipes will also help you gain more weight, so you feel happier and are trying new things. Also, keep easy meals in the freezer, so you don't have to cook and can have food quickly. Always remember to eat enough food, this is the key to staying healthy while going through this tough time.