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Related Experiment Videos

Acute hormonal response to cigarette smoking

W W Winternitz, D Quillen

    Journal of Clinical Pharmacology
    |July 1, 1977
    PubMed
    Summary

    Smoking significantly impacts male habitual smokers, causing sharp rises in cortisol and growth hormones. Other hormone levels showed no significant changes, indicating specific physiological responses to cigarette use.

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    Area of Science:

    • Endocrinology
    • Physiology

    Background:

    • Previous studies on non-smokers yielded unsatisfactory results due to nonspecific stress responses.
    • Female smokers exhibited less consistent physiological responses compared to males.

    Purpose of the Study:

    • To investigate the acute hormonal effects of cigarette smoking in habitual male smokers.
    • To differentiate between cigarette-specific effects and general stress responses.

    Main Methods:

    • Recruitment of male habitual smokers for controlled smoking sessions.
    • Measurement of circulating cortisol, growth hormone, and urinary catecholamines.
    • Assay of luteinizing hormone, follicle stimulating hormone, testosterone, and thyroid-stimulating hormone.

    Main Results:

    • A significant increase in circulating cortisol levels was observed after smoking two cigarettes, sustained for two hours.
    • Circulating growth hormone levels rose after two cigarettes, peaking at one hour.
    • Urinary catecholamines showed a trend towards elevation on smoking days, though results were variable.
    • No significant variations were found in luteinizing hormone, follicle stimulating hormone, testosterone, or thyroid-stimulating hormone levels.

    Conclusions:

    • Cigarette smoking acutely elevates cortisol and growth hormone in male habitual smokers.
    • Hormonal responses to smoking appear specific and distinct from non-specific stress reactions.
    • Certain reproductive and thyroid hormones remain unaffected by acute smoking exposure.

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