Scientists who study aging are currently riveted by a group of 20 dogs in Seattle. The dogs, all house pets older than six years old, are early test subjects in a trial of a drug called rapamycin. The way the drug works is not completely understood, but it’s been used for years to prevent rejection of transplanted organs, and in laboratory studies, it’s lengthened the life spans of diverse species: worms, fruit flies, and mice. If it works in dogs, healthy human volunteers will be the next guinea pigs.
In fact, rapamycin is one of several anti-aging drugs that may end up in human trials in the coming years as researchers improve their understanding of the mechanisms of aging. Read more…
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