About the Picture Slideshow/Slide Show: Agent Orange is the name given for the herbicide used by the American army during the Vietnam war. Agent orange contained the extremely toxic substance: the infamous 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). It has been estimated the between 1961 and 1971, the US army has sprayed more than 300 kilograms of TCDD dioxin.
Dioxin affects the immune system, the reproductive system and the nervous system. There are nearly 150000 children with birth effects in Vietnam due to agent orange.