Animals’ medical superpowers

There are examples from across the animal kingdom of medical marvels – animals whose behaviors and diet may point to ways in which humans might reduce heart disease, or ward off dementia. Correspondent Jonathan Vigliotti talks with Dr. David Agus, author of “The Book of Animal Secrets,” and Dr. Joshua Schiffman, who is exploring how an elephant’s genetics may offer clues to fighting off cancerous cells.

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