As expected, it allows for {TAIL ~ the discrimination} between {HEAD ~ human differences}, including gender and personal levels of alcohol dependency 
As expected , it allows for { TAIL ~ the discrimination } between { HEAD ~ human differences } , including gender and personal levels of alcohol dependency
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH