Originally Posted by reverett123

I would not rule out a virus for one reason. The German researcher Braak laid out a pattern of spread marked by the Lewy bodies. The theory is that something is transported along the neuronal "railways". As to what it might be, no one knows. My own theory is that it is a bacterial toxin piggy backing on tiny particles of soot, but there is another possibility. The one thing known to travel those paths in a pattern eerily similar to Braak's findings is a virus - polio.