"The Elephant in the Room: Why don't the largest animals get cancer" by Abigail Watterson
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Abstract

There is a famous conundrum in the field of cancer research called the Peto Paradox that questions why animal body mass and rates of cancer development are not actually correlated. It seems reasonable to think that more cells and more cell division would lead to a higher rate of developing mutations that lead to cancer. But as it turns out, larger animals have hidden mechanisms that can fight off cancer and prevent tumor growth.

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