See, I knew I wasn't losing too much more of my mind than I already have. ha.
The reason so many YO patients are getting DBS so early is that there docs are pushing it. Look at the error of 50% - that's right. Only half are appropriate candidates.

http://www.sciencedaily.com/releases...0816112155.htm

This is interesting...

It isn't always clear exactly what is the right time for this therapy, but especially for Parkinson's disease, if the patient is amenable to medication changes, it is not appropriate to jump to the surgery right away.