Old Hearts Become Biologically Younger When Transplanted Into Younger People

alternative_right shares a report from ScienceAlert: It might be reasonable to think that there’s an indelible link between the heart and the body it resides in – the processes that affect one inevitably affect the other. But a new preprint, uploaded to bioRxiv and yet to be peer-reviewed, suggests that this may only be true up to a point. Take the heart out of the body and put it in a new one, and something incredible happens.