Elephants have a very low rate of cancer; and humans have an approximately 40% chance of developing cancer. Why? One explanation is humans have one copy of the P-53 tumor suppressor gene, and elephants have 20 copies of the P-53 gene. Immortal pathogens can be the originating root cause of cancer, and can also damage the functioning of the P-53 gene. Damage to the P-53 gene reduces the ability of the immune system to suppress cancer cells, and provides an…..