The National Institutes of Health has launched a program to study a rare type of cells, called "senescent" cells, that play both positive and negative roles in biological processes.
NIH - National Institutes of Health (via Public) / NIH launches program to map a rare type of non-dividing cells implicated in human health and disease publicnow.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from publicnow.com Daily Mail and Mail on Sunday newspapers.