Environmental Toxin Linked to Dementia, Study Shows

The Washington Post - Article quotes Elijah Stommel, professor of neurology, about how a new study shows that chronic exposure to a toxin found in some lakes and desert topcrusts contributes to neurological problems commonly associated with ALS, Alzheimer's and other neurodegenerative diseases, but at least in certain animals the damage appeared to be offset by increasing an amino acid in the diet. (Similar coverage in New Scientist and WTSP.)