Dr David Lewis read for a doctorate at the Department of Experimental Psychology, at the University of Sussex.
After qualifying as a clinical psychologist and psychopathologist, that is someone who studies mental illness, he founded a registered UK charity to help people with stress and anxiety problems. More recently he set up a not-for-profit website, from which he provides free guidance and answer questions sent in by visitors.
Over the past years, he has published more than 30 books on psychological topics, most of which can be purchased from Amazon or Amazon resellers. He has also appeared in numerous television and radio programmes on psychological and medical topics, including Secret Eaters and Embarrassing Bodies (Channel 4).
He lives near Brighton on the south coast of England and is chairman of Mindlab International, an independent research laboratory based at the University of Sussex.