This South American tea comes from the yerba mate plant. Its leaves and twigs are dried, usually over a fire, and steeped in hot water to make an herbal tea. This caffeine-containing tea, often called mate, may help promote weight loss. Some consider it an ideal substitute for coffee, minus the bitterness. The Mayo Clinic advises, however, to enjoy this tea in moderation. Some studies have found that people who drink large amounts of mate over prolonged periods may be at increased risk for certain types of cancer such as cancer of the mouth, lungs and esophagus (smoking in combination with drinking mate increases the cancer risk).

Larson-Meyer, D. E., Willis, K. S., Willis, L. M., Austin, K. J., Hart, A. M., Breton, A. B., & Alexander, B. M. (2013, June 8). Effect of honey versus sucrose on appetite, appetite-regulating hormones, and postmeal thermogenesis [Abstract]. Journal of the American College of Nutrition, 29(5), 482–493. Retrieved from http://www.tandfonline.com/doi/abs/10.1080/07315724.2010.10719885
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