http://articles.mercola.com/sites/articles/archive/2001/04/07/alzheimers-mercury.aspxScientists have shown that trace amounts of mercury can cause the type of damage to nerves that is characteristic of the damage found in Alzheimer's disease. The level of mercury exposure used in the test was well below those levels found in many humansenCommunityServer 2008.5 SP1 (Build: 31106.3070)