Aired Tuesday May 25, 10:55pm - 11:55pmon BBC Four

Horizon

The Power of the Placebo

Placebos come in all shapes and sizes, but they contain no active ingredient. Now they are being shown to help treat pain, depression and even alleviate some of the symptoms of Parkinson's disease. We explore why they work, and how to benefit.

Category
Documentary / Science
Original air date
2014-02-17
Cast and crew
  • Olly BootleDirector
  • Steven BerkoffNarrator