How does laughing remodel the immune system?

I read in a strength book that laughing is good for the immune system it didn't pass any details, can you?How does laughing remodel the immune system?
Hope this help
http://women.webmd.com/guide/give-your-b...
i don't know something like its effect on immune system but it expands the veins
I dont know around that. But laughing makes you live longer, and see world from a postive attitude, from what i've read
Im not exactly sure what laughing does to your immune system, but laughing is proven to cure depression and make you happier. Also, laughing is a great ab workout, the subsequent time you laugh, discern you abs (they're flexing).
By raising your sense of in good health being, thus lowering your stress level wich contribute to illness.
Laughter is budge good for your condition. When you laugh your body releases hormones that amend health, hilarity also forces a person to breath deeper and this help provide oxygen to the entire body.
laughing and smiling releases endorphins and it can also alkalize the body naturally,and besides that yuo touch better when you laugh right so be well
it helps release stress which will hang on to you rimmune system strong. stress supresses the immune system