A new study found an app that shows people videos of themselves washing their own hands could help combat symptoms of obsessive-compulsive disorder (OCD). The researchers at the at the University of Cambridge developed the video app. According to the ABC News report the researchers are hoping that the brain-training app will allow OCD sufferers to be treated within seconds just by unlocking their smartphones instead of having to book in an appointment with a therapist. One of the most common types of the disorder involves fears around excessive hand washing and contamination which can be crippling to sufferers. The