The boy who is eating his bedroom: Rare condition of Zach, 5, who can"t tell the difference between food and inedible objects

The boy who is eating his own bedroom: Zach, 5, can't tell the difference between food and inedible objects because of rare condition Youngster suffers from extreme form of a disorder called Pica Eats blinds and plaster from walls as has a constant need to chewZach is also autistic and cannot speakMother Rachel plans to build 'safe room' without objects he can eat | UPDATED: 14:22 GMT, 25 May 2012 Five-year-old Zach Tahir suffers from a rare medical condition which means he's slowly eating his way through his bedroom.