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Researcher Matt Kaeberlein runs the Kaeberlein Lab at the University of Washington, where he and his team studies the biology of aging. Their goal is ambitious: to learn the biological mechanisms behind what makes people get "old," and then to find interventions that would actually slow the rate of aging. They'd like to increase the human healthspan, or the period of life spent free from disease. And, for that matter, they'd like to extend the canine healthspan, too. So far, the lab has studied the biology of aging in yeast, nematodes and mice. And in a current clinical study, called the Dog Aging Project , they're working with pet dogs and their owners. They're studying an intervention called Rapamycin, essentially a pill that targets some of the biological hallmarks of aging and which has had promising results in mice. They hope it will help pet dogs live a longer healthier life. Results of the study are years away and human trials would be difficult to do. But they believe that the |