Season 5, Episode 4 A therapist teaches drinking urine, a Papua New Guinea woman breast feeds a pig, and organ trade thrives in the Philippines.
For sufferers of addiction, one very unusual clinic offers free, but challenging help to those who need it.
Welcome to the secret world of furries - people who enjoy wearing animal costumes in their adult life.
For 30 years, Alan Barges was eating himself to death. Now he hopes to live an active life again one day.
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