What is Cancer?

Mr. Andersen explains cancer, a disease caused by uncontrolled cell growth due to DNA damage. He describes the cell cycle, how mutations occur, and environmental factors that increase cancer risk. The video covers the formation of tumors, distinguishing between benign and malignant types, and how cancer spreads. It discusses current treatments like surgery, radiation, and chemotherapy, and highlights future advancements in targeted therapies. The importance of understanding genetic differences in cancer for effective treatment is emphasized.

What new insight or understanding did you gain from this video?