Where are the gaps in our knowledge about the aging brain? This Friday, Ira will be talking with Ronald Petersen
, director of the Mayo Alzheimer's Disease Research Center
, about how far we are from finding a cure for Alzheimer's disease, an illness that afflicts one in eight
older Americans, according to the Alzheimer's Association
. In preparation for the discussion, here's a roundup of Science Friday coverage of recent breakthroughs in the detection and treatment of Alzheimer's disease.