WTC Health Program Declines to Add Parkinson’s Disease to List of 9/11-Related Conditions
By Michael Barasch
The two petitions from 9/11 survivors met the threshold test in that they “suggested a potential association between exposure to known 9/11 agents and Parkinson’s disease and parkinsonism, including manganese-induced parkinsonism,” but ultimately were rejected for insufficient evidence of causation.