Very important and interesting article. Also good facts from noneedtoknow as well. When ever I spontaneously laugh really hard, I feel a buzz afterwards and a flood of happiness. I'm sure we've all experienced laughing and then saying "Aww I needed that". I think it also helps to immerse yourself in something you absolutley love doing. Here's a link that's talks about the benefits of laughing.

http://www.babyboomers.com.au/baby-b...-medicine.html