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Watch NOVA Season 49 Episode 14 Online

  • 6.8/10
  • COUNTRIES: United States of America
  • Subtitles: English

Hallucinogenic drugs—popularly called psychedelics—have been used by human societies for thousands of years. Today, scientists are taking a second look at many of these mind-altering substances – both natural and synthetic – and discovering that they can have profoundly positive clinical impacts, helping patients struggling with a range of afflictions from addiction to depression and PTSD.