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The identification of the DNA markers associated with aging has brought us one step closer to the ever-elusive Fountain of Youth. UCLA geneticist Steve Horvath just published details about the discovery, and says that this could actually lead to drugs that reverse the process of aging.

“Ultimately, it would be very exciting to develop therapy interventions to reset the clock and hopefully keep us young,” Horvath told The Guardian. He studied the methylation of nearly 8,000 samples of healthy and cancerous tissue and found 353 DNA markers that varied with aging. They effectively work like little biological clocks. Interestingly, different types of tissue age at different rates. Whereas the biological age of heart tissue appears around nine years younger than it should, cancerous tissue appears to be an average of 36 years older.

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