How does laughing help you feel healthy ?

Description
Laughter relaxes decreases stress hormones resistance to disease. Laughter triggers the body's natural feel good chemicals. Laughter protects the heart by improving the function of blood vessels and increases blood flow. Laughter lightens angers heavy load. Laughter may even help you live longer.

We needed to find three funny videos and explain why we think it's funny here is a link to one of the videos I found funny
https://m.youtube.com/watch?v=WEM4e4XIJ5A&t=10s

I found this video funny because there voices are not so good and they are on tv and they are emmbasing them selves and it's pretty cringe.