Cancer: Timing is Everything

We’re continuing our look at whether the development of cancer is simply bad luck or if there could be more to it (1); most of all, we need to look at why we’re at risk for cancer when cells divide. Let’s start there.

The reason we’re most at risk when cells divide is that’s when they’re vulnerable to mutations—mistakes in copying the cell’s DNA. Cancer cells are typical tissue cells that multiply faster than they should; their DNA is damaged and they aren’t “behaving” normally. The damage to the DNA most . . .

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