Why do we laugh, and the history behind it

we laugh during pauses when we would cough or breathe

Explanation:

and i don't know the history sorry and i hope this helps

It would be the person who balances social, physical, and mental health. Since a human is generally a social being, he needs to include social activities into his daily life. We also need to be physically active, in order to stay fit, and feel good, which will greatly contribute to our health. All of these actions will of course reflect on our mental health, since we will feel good about ourselves if we are social and if we look good, and feel good due to physical exercise.