刚刚
视频简介
德·凡·图卢肯博士调查兴奋剂的世界：从那些追求名声、荣耀、和有利可图的赞助商合同的职业运动员，到如今服用合成激素来增长肌肉和追求外貌的成千上万的普通英国人。这些都是些什么药物？它们对于人体会产生什么作用？。For the past eight years, the U.S. Army's Sniper School at Fort Benning, Ga., has hosted the International Sniper Competition| where elite two-man teams compete to earn the coveted title of "top sniper." In this grueling competition, the participants' precision, camouflage, stalking and observational skills are put to the ultimate test. Eighteen challenging events examine the t...。
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