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PHILADELPHIA (CBS) — Elephants could hold the secret to surviving cancer.

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Elephants have an uncanny ability to resist the disease and researchers think they have finally figured out how they do it.

It’s all thanks to a so-called “zombie gene.”

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Here’s how it works:

Humans and other animals carry one copy of a “master tumor suppressor” gene but elephants have 20 copies.

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Scientists hope this information can one day lead to cancer prevention in humans as well.