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Second part of the special documentary considering where the line between sanity and madness lies as ten volunteers come together for an extraordinary test. With five 'normal' volunteers and five who have been officially diagnosed as mentally ill, Horizon asks if you can tell who is who.
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Sign in to syncEpisode 1: How to Kill a Human Being
Episode 2: Total Isolation
Episode 3: What on Earth is Wrong With Gravity?
Episode 4: Is Alcohol Worse than Ecstasy?
Episode 5: How to Make Better Decisions
Episode 6: How to Live to be 101
Episode 7: Prof. Regan's Supermarket Secrets
Episode 8: Are we Alone in the Universe?
Episode 9: How Much is Your Dead Body Worth?
Episode 10: How Does Your Memory Work?