Research about Green Tea Health Benefits

It seems as if news about green tea health benefits is everywhere nowadays!

Traditional wisdom tells us how very good this tea is for us, and current scientific studies confirm the many ways green tea promotes health and wellness.

From supporting heart health to improving post-workout recovery to protecting against Alzheimer's disease, this beverage is truly a powerhouse tea!

Let's take a closer look at the research behind the many green tea health benefits. (If you'd rather skip the research details, you can find an overview of green tea benefits here.)

Green Tea reduces Oxidative Stress

Green tea helps to prevent oxidative stress and quash the potential health concerns and diseases that oxidative stress can cause.

Your Green Tea Benefits!

What do you think of green tea? Is healthy, delicious green tea a regular part of your day? We'd love to hear your comments and opinions about green tea! Click here to share your thoughts with other visitors to our site. 

A study in 2012 in Lubbock, Texas, considered green tea's effect on oxidative damage, with a special focus on bone health. Over 170 postmenopausal women with osteopenia participated in this research.

'Osteopenia' refers to lower-than-normal BMD (bone mineral density), which increases the chance of osteoporosis.

This six-month study found that enjoying green tea regularly (about 4 cups daily) significantly reduces oxidative stress, which can lead to improved bone health and protection against osteoporosis.

The effects of regular Tai Chi exercise were also considered in this study. (Tai Chi is a low- to moderate-intensity exercise for health of body and mind that originated in ancient China.)

More about Oxidative Stress

Oxidative stress can lead to low-grade chronic inflammation, and research tells us that chronic inflammation plays a major role in the onset and development of many diseases and health issues and concerns - not only osteoporosis, but also type 2 diabetes, heart disease, cancer, IBS, PCOS, Crohn's, Alzheimer's, Parkinson's, infertility, premature aging, and obesity, to name a few.

Tai Chi alone or in combination with green tea was also found to lessen oxidative stress and potentially improve bone health.

You can learn more about this study here.

Green Tea Health Benefits

Green Tea Health Benefits for Age-Related Cognitive Decline

The benefits of drinking green tea aren't only related to our physical health - green tea can benefit mental health, as well.

In a review of studies targeting the effectiveness of green tea in supporting mental health, green tea was shown to prevent age- and injury-related cognitive decline and reduce the risk of Parkinson's, Alzheimer's, and other neurodegenerative diseases.

Green tea's polyphenols (which are powerful antioxidants) are attributed for this brew's ability to protect us against cognitive deterioration and neurodegenerative diseases, but researchers believe there may be more to discover yet about the reasons why this tea provides so much support for cognitive health.

Find the abstract and journal article for this research review here.

Green Tea Health Benefits

Green Tea's Antioxidants protect the Lungs

Drinking green tea regularly may reduce the effects of cigarette smoke on your lungs.

In a 2010 Taiwanese study at Chung Shan Medical University in Taichung involving 170 lung cancer patients and 340 healthy participants, the lifestyle, smoking history, diet, and family history of each participant was assessed.

Research results found that enjoying at least one cup of green tea each day can significantly reduce the risk of lung cancer for both non-smokers and smokers. For non-smokers, the risk is 5 times less, and for smokers, the risk reduction is 13-fold.

Genes can also play a part in a predisposition towards lung cancer. This study found that green tea drinkers with certain genotypes gain even more protection (up to 66% more) against lung cancer.

What about risks or side effects?

You've heard so much about how good green tea is for you... but have you been wondering if it has any potential side effects?

Click here to learn more about some possible risks associated with drinking green tea.

Researchers attributed green tea's ability to protect against lung cancer to its polyphenols, which are potent antioxidants - but they also cautioned that the best protection against lung cancer is to stop smoking altogether.

A summary of this study can be found here, or you can read the journal article here.

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Interested in learning more about current research about green tea health benefits? Click here to keep reading. Or, if you'd rather read a summary of how good green tea is for our health and wellness, you can find it here.

So many research studies target the health effects of green tea, and research results confirm what traditional wisdom has said all along - that the benefits of green tea for our health and wellness are varied and many!

Regularly drinking this flavorful, aromatic tea can support our physical health and mental health in a wide variety of ways - and its delicious, comforting taste simply makes us feel better, too!

More about Green Tea Benefits


Green Tea Benefits - Wondering why we hear so much about green tea for good health? Drop by our Green Tea Benefits pages to see why green tea is so good for physical, mental, and emotional well-being.

Green Tea & You! - We'd love to hear what you think of green tea! Share your experience with green tea with our other readers, and see what other visitors to our site have to say about this popular tea, too! 

Green Tea Steam - A recipe and tips for a wonderfully soothing and beneficial green tea facial steam that will pamper your complexion and lift your spirits!

Green Tea Skin Benefits - Adding green tea to your diet and using green tea topically can result in healthy, beautiful skin. 

Green Tea Research - Learn more about some of the current research targeting the multitude of benefits of green tea for health and wellness.

Sources


American Association for Cancer Research (AACR). (2012, October 18). Green tea reduced inflammation, may inhibit prostate cancer tumor growth, research finds. ScienceDaily. Retrieved February 19, 2016 from www.sciencedaily.com/releases/2012/10/121018121956.htm.

Jones C, Woods K, Whittle G, Worthington H, Taylor G. Sugar, drinks, deprivation and dental caries in 14-year-old children in the north west of England in 1995. Community Dent Health. 1999 Jun;16(2):68-71.

Jówkoa E, Sacharukb J, Balasińskac B, Ostaszewskic P, Charmasa M, Charmasa R. Green tea extract supplementation gives protection against exercise-induced oxidative damage in healthy men. Nutrition Research. 2011 November;31(11):813–821.

Kokubo Y, Iso H, Saito I, Yamagishi K, Yatsuya H, Ishihara J, et al. The impact of green tea and coffee consumption on the reduced risk of stroke incidence in Japanese population: the Japan public health center-based study cohort. Stroke. 2013;44:1369–1374.

Kuriyama S, Shimazu T, Ohmori K, Kikuchi N, Nakaya N, Nishino Y, Tsubono Y, Tsuji I. Green tea consumption and mortality due to cardiovascular disease, cancer, and all causes in Japan: the Ohsaki study. JAMA. 2006 Sep 13;296(10):1255-65.

Lin I, Ho ML, Chen HY, Lee HS, Huang CC, Chu YH, Lin SY, Deng YR, He YH, Lien YH, Hsu CW, Wong RH. Smoking, Green Tea Consumption, Genetic Polymorphisms in the Insulin-Like Growth Factors and Lung Cancer Risk. PLoS One. 2012;7(2):e30951. 

Mandel S, Weinreb O, Amit T, Youdim M. Cell signaling pathways in the neuroprotective actions of the green tea polyphenol (-)-epigallocatechin-3-gallate: implications for neurodegenerative diseases. Journal of Neurochemistry. 2004 March;88(6):1555–1569.

Nagao T, Komine Y, Soga S, Meguro S, Hase T, Tanaka Y, Tokimitsu I. Ingestion of a tea rich in catechins leads to a reduction in body fat and malondialdehyde-modified LDL in men. Am J Clin Nutr. 2005 Jan;81(1):122-9.

Panagiotakos DB, Lionis C, Zeimbekis A, Gelastopoulou K, Papairakleous N, Das UN, Polychronopoulos E. Long-Term Tea Intake is Associated with Reduced Prevalence of (Type 2) Diabetes Mellitus among Elderly People from Mediterranean Islands: MEDIS Epidemiological Study. Yonsei Med J. 2009 Feb 28; 50(1): 31–38. 

Qian G, Xue K, Tang L, Wang F, Song X, Chyu MC, Pence BC, Shen CL, Wang JS. Mitigation of Oxidative Damage by Green Tea Polyphenols and Tai Chi Exercise in Postmenopausal Women with Osteopenia. PLoS One. 2012;7(10):e48090. 

Shen CL, Yeh JK, Cao JJ, Wang JS. Green tea and bone metabolism. Nutrition Research. 2009;29:437–456.

Wu CH, Yang YC, Yao WJ, Lu FH, Wu JS, Chang CJ. Epidemiological Evidence of Increased Bone Mineral Density in Habitual Tea Drinkers. Arch Intern Med. 2002;162(9):1001-1006.

Yang YC, Lu FH, Wu JS, Wu CH, Chang CJ. The Protective Effect of Habitual Tea Consumption on Hypertension. Arch Intern Med. 2004;164(14):1534-1540.


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