Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 17 · Episode 9 ·
Portrait of a Poison
Documentary report on the mounting evidence of the horrifying effects of the use of dioxin as a defoliant in Vietnam and as a herbicide in domestic use on both humans and all other living beings.
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Episode 9 of season 17 of Horizon: “Portrait of a Poison”. Aired 1980-03-17. Watch it online free on ZapFlix.