Laughologist Albert Nerenberg, will be speaking at Canada's TED conference, IdeaCity in June.
The conference whicih brings together scientists, thinkers and performers, is famous for provocatve speeches, wild parties and lively demonstrations.
Nerenberg, who spoken at Idea City before, will be speaking about new approaches to laugher exercise.
In the past Nerenberg demonstrated the contagiousness of laughter. As well he demonstrated that under hypnosis people can experience almost any drug.