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Understanding How Does Parabiosis Affect Aging: Rejuvenation vs. Accelerated Decline

In pioneering experiments first conducted in the 1860s, a procedure called parabiosis has been used to explore systemic biological processes by surgically joining two organisms. Today, modern research focusing on how does parabiosis affect aging reveals that sharing a circulatory system between a young and old animal can induce rejuvenation in the old partner while ironically accelerating aging in the young one.