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