So, you've probably heard the word "cancer" before. You probably know it's a disease, but what kind of disease? What does it do? Well, keep reading to find out!
Cancer is a tumor that can be caused by many things:
-You can get lung cancer from smoking tobacco.
-You may get it from bad radiation, like if you don't wear that heavy led apron when you get an x-ray.
-Another possible way is that it can be hereditary.