Cancer is a genetic disease where abnormal or damaged cells multiply to form tumors in the body. There are over 100 different types of cancer, and they can start anywhere in the body. While the risk of cancer becomes greater as we age, learning and understanding just how cancer works early can help us develop preventative measures or to better understand what is happening to our bodies. This video explains how cancer works and shows in greater depth how cancerous cells can develop and spread through the body.
Basic fundamentals of cancer
