The new Science of Happiness ( DIY; insert well known facts about serotonin and immune system functioning) is taking centre stage in the related new field of Positive Psychology. Research is being funded to follow the effects of making simple behavioural changes on mood and perceived well-being. And as we know it’s the cognitive approaches – Cognitive Behaviour Therapy (CBT) etc - that are being pursued as ‘bang for yer buck’ by insurance companies and workplaces.