I'm the director of the Happiness Lab, here are my expert tips on how to be happy

Thursday was International Day of Happiness. Clodagh Finn meets neuropsychologist, musician, and stroke survivor professor Eric Zillmer whose life work is dedicated to the art of happiness

Eric Zillmer: ‘Why don’t we look at our life and what we like best about ourselves?’

The first thing I want to ask professor Eric Zillmer, the director of the Happiness Lab at Drexel University in Philadelphia, is if he is happy.

He is. It helps that we are speaking on a Sunday, his second favourite day after schedule-free Saturday, and that he is over 60 years old.