We all know what cancer is, but understanding how it works and why people get cancer at all can be confusing. Cancer starts when cells begin to grow out of control and displace normal, healthy cells. This makes it hard for the body to work properly and carry out all of the functions that keep you alive and healthy.
For many people, cancer can be treated. More people than ever are able to have full lives following cancer treatment.
Here is an infographic, via click here for science, that will help to explain what cancer is and how people get cancer.