Am I Normal?

Vivienne Parry continues her quest to find out what is normal. She investigates a recent claim that anger should be viewed and treated as a mental health problem. New research shows that getting angry frequently is bad for the heart and affects immune function. Intermittent Explosive Disorder is now a recognised psychiatric condition in the United States. Could the same happen in the UK, and, if so, are we in danger of medicalising our every emotion?