Laughter Yoga is a very interesting phenomenon from a scientific perspective, because it’s so challenging to study in a rigorous way. There are various reasons for this, which I get into in greater detail in this episode. I also delve into some of the existing research on the subject and I ask, to what extent is the laughter aspect of Laughter Yoga the primary factor in promoting changes in people's well-being, when compared to 'non-laughter' exercise programmes?