▁when ▁someone ▁is ▁sick ▁through ▁evil ▁spirits . ▁ ▁The ▁Bon to c ▁social ▁structure ▁used ▁to ▁be ▁centered ▁around ▁village ▁w ards ▁( ato ) ▁containing ▁about ▁ 1 4 ▁to ▁ 5 0 ▁homes . ▁Trad itionally , ▁young ▁men ▁and ▁women ▁lived ▁in ▁d orm itories ▁and ▁a te ▁me als ▁with ▁their ▁families . ▁This ▁gradually ▁changed ▁with ▁the ▁advent ▁of ▁Christian ity . ▁In ▁general , ▁however , ▁it ▁can ▁be ▁said ▁that ▁all ▁Bon to cs ▁are ▁very ▁aware ▁of ▁their ▁own ▁way ▁of ▁life ▁and ▁are ▁not ▁over ly ▁eager ▁to ▁change . ▁ ▁I bal oi ▁ ▁The ▁I bal oi ▁( also ▁I bal oi , ▁I bal uy , ▁N ab alo i , ▁In av ido y , ▁In ib alo i , ▁I v ado y ) ▁and ▁Kal angu ya ▁( also ▁Kal la han ▁and ▁I kal ah an ) ▁are ▁one ▁of ▁the ▁ind igen ous ▁pe op les ▁of ▁the ▁Philippines ▁who ▁live ▁mostly ▁in ▁the ▁southern ▁part ▁of ▁Beng uet , ▁located ▁in ▁the ▁Cord ill era ▁of ▁northern ▁Lu zon , ▁and ▁Nueva ▁V iz c aya ▁in ▁the ▁C ag ay an ▁Valley ▁region . ▁ ▁They ▁were ▁tradition ally ▁an ▁agr arian ▁society . ▁ ▁Many ▁of ▁the ▁I bal oi ▁and ▁Kal angu ya ▁people ▁continue ▁with ▁their ▁agricult ure ▁and ▁rice ▁cultiv ation . ▁ ▁Their ▁native ▁language ▁belongs ▁to ▁the ▁Mal ay o - Pol yn esian ▁branch ▁of ▁the