I easily ran out of oxygen when laughing...?

i don't know why or how.. but when i kinda laugh hard enough.. i suddenly got this feeling of lacking in oxygen and sometimes hurt my nape.. i don't kinda get it..how could that possibly by.. i mean is that possible that i experience this..
Answer:
you may have a heart problem, do you get the same problem when you exercise?

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when you laugh hard enough, you could be llosing more air, thus causin gyou to lack air. like i get that but only if i find somehting realy funny....just wait my msn jsut popped up..

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