Obsessive-compulsive disorder is an anxiety (psychiatric) disorder which is characterised by involuntary thoughts, unpleasant ideas, obsessions or behaviours.
Many famous personalities have been struggling with OCD symptoms. Having OCD doesn’t mean that you are mentally sick, it can be cured when you are in control.
Did you know Charles Darwin, Cameron Diaz, Justin Timberlake and many others suffered from OCD? Read this to know more: http://splashbitsnr.wordpress.com/2012/07/25/7-famous-personalities-with-ocd/