The Study was conducted by the Sloan Center on Aging & Work at Boston College between November 2007 and September 2008 (Time 1: November 2007 to March 2008; Time 2: May 2008 to September 2008). The Center collaborated with 9 U.S. workplaces (12 departments) on this study.
Heart muscle cells can take approximately 20 years to completely renew themselves. Never Cells that cannot repair â Itâs unfortunate for many, but old age can take itâs toll on the eyes and brain.
Even your bones replace themselves every 10 years. By that standard, your muscle cells, with an average age of 15 years old, are the adults at the party. Your workouts will cause the protein in your muscles to break down and build up much faster than it does in ordinary circumstances.