91Èȱ¬

Obsessive-Compulsive Disorder affects three quarters of a million people in the UK. It's a condition that can be so debilitating that some sufferers are left house-bound.

As part of a new series, six teenage patients have travelled to America to what's called a 'therapy camp'.

'Extreme OCD Camp' is on 91Èȱ¬ Three at nine o'clock on July 30th.