In the study, 22-month-old rats — who were considered old — received stem cells from four-month-old rats.
Across the board, all of them experienced improved heart function, improved their exercise capacity by an average of 20 percent, and regrew hair faster than rats that didn’t receive the cells.
They also demonstrated longer heart cell telomeres.
Until now, scientists have tested the method to repair damage. But the Cedars-Sinai team in LA — who did the world’s first cardiac stem cell infusion in 2009 — have shown it can also reverse aging.
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