, ▁t ension - type ▁head ache , ▁or ▁cluster ▁head ache . ▁Fre quent ▁head aches ▁can ▁affect ▁relationships ▁and ▁employ ment . ▁There ▁is ▁also ▁an ▁increased ▁risk ▁of ▁de pression ▁in ▁those ▁with ▁severe ▁head aches . ▁ ▁Head aches ▁can ▁occur ▁as ▁a ▁result ▁of ▁many ▁conditions . ▁There ▁are ▁a ▁number ▁of ▁different ▁classification ▁systems ▁for ▁head aches . ▁The ▁most ▁well - recogn ized ▁is ▁that ▁of ▁the ▁International ▁Head ache ▁Society . ▁C aus es ▁of ▁head aches ▁may ▁include ▁de h yd r ation , ▁fat igue , ▁sleep ▁dep riv ation , ▁stress , ▁the ▁effects ▁of ▁medic ations , ▁the ▁effects ▁of ▁recre ational ▁dru gs , ▁vir al ▁in fe ctions , ▁loud ▁no ises , ▁common ▁col ds , ▁head ▁injury , ▁rapid ▁ing estion ▁of ▁a ▁very ▁cold ▁food ▁or ▁be verage , ▁and ▁dent al ▁or ▁sin us ▁issues ▁( such ▁as ▁sin us itis ). ▁ ▁Tre at ment ▁of ▁a ▁head ache ▁depends ▁on ▁the ▁underlying ▁cause , ▁but ▁commonly ▁involves ▁pain ▁medic ation . ▁A ▁head ache ▁is ▁one ▁of ▁the ▁most ▁commonly ▁experienced ▁of ▁all ▁physical ▁dis com fort s . ▁ ▁About ▁half ▁of ▁adult s ▁have ▁a ▁head ache ▁in ▁a ▁given ▁year . ▁T ension ▁head aches ▁are ▁the ▁most ▁common , ▁affect ing ▁about ▁ 1 . 6   b ill ion ▁people ▁( 2 1 . 8 % ▁of ▁the ▁population ) ▁followed ▁by ▁mig raine ▁head aches ▁which ▁affect