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Is violence in humans a result of growing up in a violent culture and society or is it based on human biology? Is violence inherent in humans or is it environmental and acquired? Subscribe: http://bit.ly/12wjlifC Our website: http://www.bbc.co.uk/persian/ Facebook: / bbcpersian Twitter: / bbcpersian Google Plus: https://plus.google.com/ 1181902398236...