These deficiencies can contribute to motor dysfunction, memory loss, or other central nervous system defects in aging, trauma, and {HEAD ~ degenerative diseases} such as {TAIL ~ Alzheimers} or Huntingtons Disease 
such as
These deficiencies can contribute to motor dysfunction , memory loss , or other central nervous system defects in aging , trauma , and { HEAD ~ degenerative diseases } such as { TAIL ~ Alzheimers } or Huntingtons Disease
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH