One cell here and there doesn t hurt you, but if half your kidney is unprogramed cells your going to die of kidney failure. Doctors call it a tumor and their answer is to cut out the tumor and throw it away. Well if they cut your arm off and throw it away the body cannot rebuild it. Sew the arm back on and the body will do everything possible to rebuild it, even make new nerves and blood vessels to save the arm. If the body can get a bad cell to die and a good programmed cell to replace it, you go into remission.
Doctors often use radiation and chemotherapy to kill bad cells.
The only problem is those treatments cannot tell the good cells from the bad cells and tears up your whole system. Layatrell, which is a food, has a cyanide molecule and two sugar molecules. In a healthy area of your body, you put out an enzyme that changes the cyanide to a food and the cells are very happy with it. In a cancerous area, that enzyme is not available so the cancer cells gobble up the cyanide intact and it kills the cell. So layatrell is very fussy as to which cells it kills.