TS and MS link?

  My children both have been diagnosed with Tourette Syndrom (syndrome) (as well as OCD, and the youngest with ADD as well).  I am undxed.  The genetic link is obvious in my Mother's side, as well as in other areas of the family.  My Mother was dxed a short while ago with TM and has just been dxed with Multiple Sclerosis.  We know there is a link between other disorders and such in TS families.  What I am looking for now is any information suggesting, or pointing to, a possible link between TS and MS (or even TM).  Including TSers with family members with MS.
  Thank you,
  Challis
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The connection between TS, OCD, and ADD has long been recognized. There is a known genetic component, though no specific gene has been identified, and "penetrance" of the genetic abnormality is not complete. I am unaware of any connection between tic disorders (such as TS) and MS. At a physiologic level, they are completely different diseases.
Hope this helps. CCF MD mdf.