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    Default Pheromones that Affect Pulsatile Secretion of Luteinizing Hormone and Mood in Women

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    Quote Originally Posted by www.biolreprod.org
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    Male Axillary Extracts Contain Pheromones that Affect Pulsatile Secretion of Luteinizing Hormone and Mood in

    Women Recipients


    George Preti2,3,4, Charles J. Wysocki3,5, Kurt T. Barnhart6, Steven J. Sondheimer6 and

    James J. Leyden4

    Monell Chemical Senses Center,3 Philadelphia, Pennsylvania 19104 Department of Dermatology,4

    School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104 Department of Animal Biology,5

    School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104 Department of Obstetrics

    and Gynecology,6 School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104

    Human

    underarm secretions, when applied to women recipients, alter the length and timing of the menstrual cycle. These

    effects are thought to arise from exposure to primer pheromones that are produced in the underarm. Pheromones can

    affect endocrine (primer) or behavioral (releaser) responses, provide information (signaler), or perhaps even modify

    emotion or mood (modulator). In this study, we extracted underarm secretions from pads worn by men and placed the

    extract under the nose of women volunteers while monitoring serum LH and emotion/mood. Pulses of LH are excellent

    indicators of the release of GnRH from the brain's hypothalamus. In women, the positive influence of GnRH on LH

    affects the length and timing of the menstrual cycle, which, in turn, affects fertility. Here we show that extracts

    of male axillary secretions have a direct effect upon LH-pulsing and mood of women. In our subjects, the putative

    male pheromone(s) advanced the onset of the next peak of LH after its application, reduced tension, and increased

    relaxation. These results demonstrate that male axillary secretions contain one or more constituents that act as

    primer and modulator pheromones.
    Very interesting article that provides evidence that pheromones cause an

    LH spike in females.

    Bobby

    Discussion on this topic can be found by

    clicking here.
    Last edited by oscar; 07-24-2004 at 08:16 AM. Reason: Inserting link.

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