Cancer cells can invade and destroy surrounding healthy tissue, including organs. ''The fight to find a cure for cancer has been increasing for many years. Although we have made progress in cancer treatments and tests to identify the disease, there is still no definitive cure. There are currently many scientists, laboratories and organizations spending endless time and money working hard to find a cure. Every day we get closer and have reason to believe that the cure will be in the near future. Therefore this is classified as a scientific theory currently under study, as we see that this is a problem that has the potential to be solved