It is very timely that you posted this article just a few days back. I was to the endocrinologist yesterday for my hypothyroidism that I have in addition to the PD. I have also been having the most irritated eyes in the past few months. Now he suspects I could have Sjogren's syndrome. Says it runs sometimes with people who have hypothyroidism. I have lots of allergies, borderline high blood sugar. Some kind of swelling and pain and spasms in my left foot, but no injury. The skin on my lower arms looks a little splotchy, almost like vitiligo. My mom had Rhematoid athritis,grandma diabetic, brain disorders in the family. Nephew with some sort of immune deficiency. All these things are autoimmune. So,, I got to thinking that my PD is likely the same. Anyone else here have some of these other disorders? It makes sense to me. Thanks FG