This would explain why headache relief from orgasms is permanent, as opposed to lasting only a few hours, as might be the case if endorphin release was the sole cause.

• 这或许可以解释为什么高潮对头痛的缓解作用可以是永久性的，而不是只持续几个小时，在这种情况下，分泌的内啡肽可能是唯一的原因。