Epigenetic ‘Clocks’ Predict Animals’ True Biological Age

This time a year ago, Steve Horvath was looking for pangolin DNA. The ancient scaly anteater would be a first for his collection, which was then about 200 mammals strong. “I didn’t have any of that order, which is why I desperately wanted them,” he recalled. Since the summer of 2017, Horvath, who until recently was an anti-aging researcher at the University of California, Los Angeles…

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