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What Is Cancer and How Does It Start?
Video

What Is Cancer and How Does It Start?

What Is Cancer and How Does It Start?
Video

What Is Cancer and How Does It Start?

Credit: CRUK, YouTube

In this video, Cancer Research UK explains what cancer is and how it starts. Cancer begins in our cells. It happens when something goes wrong when cells are dividing. Learn how a tumor can develop and what might cause it.

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