University of Michigan Study Examines How Alzheimer's Kills Brain Cells  
10/17/2012 7:47:16 AM

Exactly how Alzheimer's disease kills brain cells is still somewhat of a mystery, but University of Michigan researchers have uncovered a clue that supports the idea that small proteins prick holes into neurons. The team also found that a certain size range of clumps of these proteins are particularly toxic to cells, while smaller and larger aggregates of the protein appear to be benign.