At first, Professor Wolf Reik couldn’t quite believe the data. The experiment had involved an attempt to “rejuvenate” skin cells taken from a 53-year-old volunteer.
The results were better than anybody had expected: having been bathed in a cocktail of proteins, the cells now looked and behaved like those from somebody in their early twenties.
As different measurements of “biological age” confirmed the findings, the molecular biologist’s scepticism gave way to excitement. “I was falling off my chair three times over,” Reik said.
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