The results raise the possibility that Parkinsonâs is partly an autoimmune disease, Dr. Sulzer says, but more research is needed to confirm the idea.This is a new, and likely controversial, idea in Parkinsonâs disease.â. The new hypothesis about Parkinsonâs emerges from other findings in the study that overturn a deep-seated assumption about neurons and the immune system.
Its origin is Variant of the English name John. Jack is a form of John and is generally pronounced like JAK. This name is mostly being used as a boys name. Last year it ranked 40th in the U.S. Social Security Administration list of most popular baby boy names. Jack is a nickname for the English name John. It derives from Jackin and Jankin, both of which are earlier medieval diminutives of John.
Report Abuse. 1  not sure if this is right but it could have been started and gained popularity when John F kennedy got the nickname jack because his wifes name was jackie. 2  It is Copperplate Gothic. 3  Try Flicker . . . enter J.D. in the search.  www.fontfreak.com.