Is There Anything That Can Help My Dog Live Longer Too?

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To Herb Krohn, a railroad worker in Seattle, no living creatures are more precious than his four dogs. “From the day you get your dog, you worry about the day you’re going to have to say goodbye,” he says.

So three years ago, when he saw an article about a new study called the Dog Aging Project–a trial designed to test a drug that might help dogs live longer–he volunteered his four-legged friends.