"Black and green tea represent a potential inexpensive, nontoxic, and, in fact, pleasurable hypoglycemic agent," they added. They also suggested that further studies be conducted to determine the role of teas in the prevention or treatment of diabetes in humans.
As these and other studies show, the health benefits that can be derived from regular consumption of tea are almost without limit. Whether consumed as a beverage or in supplement form, research suggests that the ingredients in tea can have a positive effect on a multitude of conditions and disorders, and can play an indispensable role in maintaining optimal health and wellness.
Vinson JA, Zhang J. Black and green teas equally inhibit diabetic cataracts in a streptozotocin-induced rat model of diabetes. Journal of Agricultural and Food Chemistry 2005;53:3710-3713.
Bettuzzi S, Brausi M, Rizzi F, et al. Chemoprevention of human prostate cancer by oral administration of green tea catechins (GTCs) in high-grade PIN subjects: a preliminary report from a one-year proof of principle study. Presented at the 96 th annual meeting of the American Association for Cancer Research, Anaheim, Calif., Apr. 20, 2005.
Green tea shown to prevent prostate cancer. Medical News Today press release, Apr. 21, 2005.
Hosoda K, Wang MF, Liao ML, et al. Antihyperglycemic effect of oolong tea in type 2 diabetes. Diabetes Care 2003;26:1714-1718.