How do video games effect the human body

Well this is a contraversial area, and it's hard to distinguish the different effects from different games, some may be violent games, some may be games that require more thought and consentration. In the case of violent games studies seem to suggest that the more frequently those games are played there is a rise in the aggressive response in those people, and a decrease in the sensitivity to violence. Video games can cause increased pulse rate, mental focus and hand or arm cramps after prolonged use. On the other hand, video games also can be used as a healing treatment suppliment in cancer patients. Children with cancer sometimes play a video game where they are battling cancer cells, and feel empowered to deal with their illness, as to the actuall medical benifits, they probably aren't clear, but surely having a good attitude and participation in treatment, the games can help them battle their illness It may also effect ur brain by effecting the brain..!:$