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Cancer Research To Be Cancer Free

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Researchers in Memphis want to figure out what keeps people, cancer-free.

They hope to take what they learn from those of us who are healthy, to prevent cases of cancer in the future.

It's information that might've made a big difference to Joy Johnson, who's battling brain cancer for the third time.

She's here with Kate Rosson from the American Cancer Society and study participant Marilyn Sims.