"You enter the wellness center and tell the receptionist avatar that you're here for an annual restoration, and though your real age is 110, you would like to be restored to the age of a 20-something. A nurse then injects billions of genome-specific 'bots non-invasively through the skin; you're now set for another year."
Freitas has designed 'bots smaller than red blood cells that can travel through the human body destroying harmful pathogens and repairing faulty DNA. The tiny machines would be constructed of carbon atoms, and powered by utilizing glucose or natural sugars and oxygen from the body.
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