Vatsalya, V., et al. (2016). A review on the sex differences in organ and system pathology with alcohol drinking. Yang, H., et al. (2018). Licorice ethanol extract improves symptoms of polycystic ovary syndrome in Letrozole-induced female rats. Eng ET, Ye J, Williams D, Phung S, Moore RE, Young MK, Gruntmanis U, Braunstein G, Chen S. Suppression of estrogen biosynthesis by procyanidin dimers in red wine and grape seeds. Cancer Res. 2003 Dec 1;63(23):8516–22. Kijima I, Phung S, Hur G, Kwok SL, Chen S. Grape Seed Extract Is an Aromatase Inhibitor and a Suppressor of Aromatase Expression. Cancer Res. 2006;66(11):5960–7. Ann Epidemiol. 2010 Jan; 20(1): 74–81. Is Green Tea Drinking Associated With a Later Onset of Breast Cancer? Harvard Health Blog - Resveratrol—the hype continues. Examine.com - Supplements Encyclopedia - zinc.