I say “rumors” because there is no publication and results from just 6 rats, all of which were sacrificed for the sake of tissue biopsies. Worse, we have no announcement of what the active agent(s) were that rejuvenated the rats, so discussion of mechanisms will have to wait. I’m writing this largely from personal and scientific trust, while recognizing that even the most careful and honest scientists can deceive themselves. “You are the easiest person to fool,” Feynman warned us.
Some of you may recognize the name of Dr Harold Katcher, who is one of the most prolific and best-informed among
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