Not sure what this has to do w/Aging & Senior Health as Pallister-Killian is a genetic issue due to tetrasomy of chromosome 12p. In this day & age, I would suggest first searching online for information. Good luck!
What Causes Postconcussion Syndrome?by
Dr. Romeo V.
The causes, diagnosis and outcome of postconcussion syndrome (PCS) remain controversial, especially following mild traumatic brain injury (mTBI) . An article in the August 2007 issue of the Journal...