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This current study examined the effect of a 3-week period of sexual abstinence on the neuroendocrine response to masturbation-induced orgasm. Hormonal and cardiovascular。

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Some researchers have learned that strenuous exercise releases endorphins into the blood stream. Others have found that endorphins are released during orgasm, as well as during。

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Zdradza co czwarty mężczyzna, ale i kobiety nie zostają w tyle. Tak wynika z badań prof. Zbigniewa Izdebskiego, opublikowanych w książce „Seksualność Polaków na początku XXI wieku”. Dlaczego zdradzamy?。

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