Heart size varies with recipient age
A scientific study has shown that a transplanted heart does not maintain its original biological age; instead, it is influenced by the age of the person receiving it. The study, published in the journal "bioRxiv," presented its findings based on experiments conducted on rats of various ages. It was found that the old transplanted heart in young rats appeared to regain some of its youth, while a young heart transplanted into older animals showed signs of accelerated aging. The results confirmed that a transplanted heart acquires age-related characteristics that correspond to the age of the new host. This opens up the possibility of expanding the donor pool, especially given the increasing demand for organs and the limited number of donors.
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