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A recent episode of PBS's NOVA series features the Ó³»­´«Ã½ and researcher Elinor Karlsson. The program, , offers a scientific view of how dogs evolved from wolves, how their species is uniquely connected to ours, and what researchers are learning about human disease by studying dog genomes.

Elinor and her colleagues are poring through the DNA of different dog breeds to find genetic sources of diseases that are tightly linked with those breeds, shedding light on the genes underlying related diseases in humans. As Elinor says in the program, "We can really say that dogs are good for our health."

Check your to watch the program and learn more about what Elinor and other researchers are discovering from their research on man's best friend.