Question

What is cancer? How is it caused?

Answer 1

Cancer:

1. Cancer occurs when abnormal cells start dividing uncontrollably, leading to the production of a mass of cells.
2. The body's cells divide and multiply normally, but stop growing when they are no longer needed. On the other hand, cancerous cells keep multiplying and dividing out of control and they do not die.
   

Cancer may be caused due to various reasons. Some are listed below:

1. The environment
2. Certain chemicals (Fumes and gas)
3. Certain kinds of light (UV light from the sun)
4. Certain viruses