Scientists discover blood factors that appear to cause aging in brains of mice
Wednesday, August 31, 2011 - 21:30
in Health & Medicine
In a study to be published Sept. 1 in Nature, Stanford University School of Medicine scientists have found substances in the blood of old mice that makes young brains act older. These substances, whose levels rise with increasing age, appear to inhibit the brain's ability to produce new nerve cells critical to memory and learning.