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Human stem cells age more rapidly in space, study finds

Researchers from the University of California San Diego monitored the real-time changes of stem cells sent to the ISS for a month.

While scientists are still working to understand the effects an extended trip to space can have on the human body, research in recent years has suggested that astronauts may experience some pretty dramatic changes on both the physiological and psychological levels. In the latest study led by a team at University of California San Diego, researchers found signs of accelerated aging in human stem cells that spent roughly a month in space. “Space is the ultimate stress test for the human body,” Catriona Jamieson, director of the UC San Diego Sanford Stem Cell Institute, said in a statement.

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