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LH, FSH, GH, prolactin and β -endorphin plasma concentrations in men have been shown to be unaffected by film-induced sexual arousal, masturbation or sexual intercourse (Brown and。

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La masturbation favorise le sommeil, grâce aux endorphines produites, et apaise les états de nervosité, souvent à l’origine des insomnies. Elle fait figure de somnifère naturel si elle est...

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