Laughter may have a dark side, but it is generally a positive emotion, as it enhances cardiovascular functions, fortifies our immune and endocrine systems.

Various studies and research have shed some light on the underlying neural functions of the brain features that result in laughter being expressed by the body.

The complex emotion of laughter has the power to override other emotions. The neurotransmitters (brain circuits) are controlling the facial muscles and vocal architecture, giving priority to positive emotions.

It is generally considered a positive emotion and is a vital social, emotional and cognitive function. It is a communal activity that encourages bonding, reduces any possible conflict, and eases stress and anxiety. Laughter can be classified in different types: