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.
On average a properly nourished human body will produce ( roughly ) 20,000 red blood cells a second , so 1,200,000 a minute and 72 million an hour , taking into account that in one pint there will be trillions of red blood cells , and the body also has to replace red blood cells as they die it will probably take a few days to replace the whole pint ...