In a world where looks and image are everything, imagine feeling too ugly to even step out the front door, so ugly that you wanted to kill yourself. It might sound ridiculous, but for victims of a little known mental illness, it's a daily reality. No-one knows what causes Body Dysmorphic Disorder but it leaves once healthy teenagers crippled by their imagined ugliness. (2001) Reporter: Tara Brown, Producer: Kathryn Bonella