Why Priyanka Chopra fainted on the sets several times

many actors in the past got injured on film sets Hrithik Roshan suffered a head injury while shooting an action scene for Bang Bang whereas Shah Rukh Khan fractured his shoulder and knee on the sets of Happy New Year. While shooting for Khakee,Aishwarya Rai Bachchan suffered a fracture on her left foot and deep bruises that required ten stitches as a speeding jeep lost control and hit her.