Could the buildup of metal in your brain cause certain brain diseases?
 

Well, the Wall Street Journal reports that new research reveals iron, copper, zinc and other metals could be linked to Alzheimer’s and Parkinson’s disease. Some scientists theorize that the accumulation of such metals could lead to toxicity that causes brain diseases. And new research with mice shows that reducing excess iron in the brain alleviates the symptoms of Alzheimer’s. By understanding the role metals play in brain diseases, scientists could be better equipped to develop new treatments for diseases like Alzheimer’s and Parkinson’s.
 

Read more: http://online.wsj.com/article/SB10001424052970204740904577192901072611524.html