Cardiac stem cells derived from young hearts helped reverse the signs of aging when directly injected into the old hearts of elderly rats, a study published Monday in the European Heart Journal demonstrated. The old rats appeared newly invigorated after receiving their injections. As hoped, the cardiac stem cells improved heart function yet also provided additional benefits. The rats' fur fur, shaved for surgery, grew back more quickly than expected, and their chromosomal telomeres, which commonly shrink with age, lengthened. read more http://www.cnn.com/2017/08/14/health/cardiac-stem-cells-make-rats-younger-study/index.html
