Description : Is Parkinson's disease non existant (or close to it) in tropical countries that don't cover up head to toe?
Last Answer : This is a Parkinson's map that I found. https://www.targetmap.com/viewer.aspx?reportId=53520 It implies sunshine might be a factor. It also could be genetics, or maybe infectious. For myself, I was ... Europe. That could be D, or could be genetics. The upper Midwest is full of Germans and Vikings.