流言還聲稱幾乎所有的乳腺癌都是發生在乳房外側上方的區域,因為這裡是排毒淋巴結的所在地。臨床上,以乳頭為原點畫橫縱軸將乳房分為四個象限,外上象限(靠近腋下的部分)乳腺癌原發灶發病率確實最高,不過,美國癌症研究協會(American Cancer Society)對此的解釋是,這很可能只是因為該象限乳腺組織最多而已,其發病比例和乳腺組織在外上象限分佈的比例類似,和淋巴無關[7]。
[1] (1, 2) American Cancer Society: Antiperspirants and Breast Cancer Risk.
[2] Wikipedia. Lymph node.
[3] Czarnowski D, et al. Plasma ammonia is the principal source of ammonia in sweat. Eur J Appl Physiol Occup Physiol. 1992.
[4] Cizza G, et al. Elevated neuroimmune biomarkers in sweat patches and plasma of premenopausal women with major depressive disorder in remission: the POWER study. Biol Psychiatry. 2008.
[5] Wikipedia. Sweat gland.
[6] Wikipedia. Apocrine sweat glands.
[7] Kohoutova D, Rubesova A, Havlicek J, Shaving of axillary hair has only a transient effect on perceived body odor pleasantness. Behavioral Ecology and Sociobiology. 2012.
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