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kuyakev
ANSWERS: 1
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Post-micturition convulsion syndrome, which often affects men, occurs toward the end of the urination session and isn't completely understood. Most speculation rather than scientific conclusions have been made regarding the cause(s). It is predominately believed that the shiver is a side effect of interactions between the sympathetic nervous system (SNS) and the parasympathetic nervous system (PSN). The SNS, in this case is responsible for holding the flow of urine, and the PNS is responsible for releasing urine. Although they are far more common amongst men, women also experience these convulsions. http://en.wikipedia.org/wiki/Urination
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