https://www.independent.co.uk/news/science/biological-clock-ageing-turn-back-reverse-study-new-a9094261.html
Vely interesting.. Now if the telomeres are not lengthened, then even a rejuvenation, a return to youth, still has an eventually termination date - and maybe growth hormone will grow telemores?
In some ways, this maybe more important. Telomeres allow you to live longer. This discovery might allow us to live younger.