"The more dust that people were exposed to, the greater their odds of having dementia...Those in the most severe exposure group were over nine times more likely to develop dementia compared to the lowest exposure group..." gizmodo.com/9-11-terror-...

The Lasting Legacy of 9/11 Might Include Dementia for Many Responders

New research finds that 9/11 responders exposed to high levels of dust are more likely to suffer early dementia than those with low exposure or who wore masks.