@Sumi Ullah. I think that green tea has more beneficial than possible harmful effects. Besides a strong antioxidant effect, green tea-derived tannins are know to have muco-protective properties as well as a possible anti-H.pylori effect. Go green tea!

Thank you so much Michiel Bronswijk

Thanks afra Ibrahim

Useful if taken moderately

I think it's useful.

Dear Sami,

You might find some interesting references in my review on Green Tea and the damage, including recorded Deaths, that it is causing.

Technical Report Green Tea and its Fluoride Content, a major Health Hazard

Green tea is good for health through decreasing weight but must be used with out sugar.

@ Dr. Sami Ullah

Green tea is good for health, and is useful in treatment of peptic ulcer.

Article Peptic Ulcer Disease: A Brief Review of Conventional Therapy...

Thanks!

Emerging research from China shows the potential protective effects of green tea and other foods that are rich in flavonoids against chronic gastritis, H. pylori infection, and stomach cancer. Specifically, these foods seem to inhibit the growth of H. pylori.

In addition, one recent laboratory study of green, white, oolong, and black teas indicated that these teas inhibit the growth of H. pylori but cause no harm to beneficial types of bacteria normally found in the stomach, including L. acidophilus, L. plantarum, and B. lungum. However, this was an in vitro study, which means testing occurred directly between teas and bacteria in the laboratory, and we cannot draw direct conclusions as to what would happen inside the human body between these two substances. Beneficial effects in the laboratory were best when tea steeped for a full five minutes.

Flavonoid-rich foods include garlic, onions, and colourful fruits and vegetables such as cranberries, strawberries, blueberries, broccoli, carrots, and snap peas.

Almost all publications on the benefits of green tea affirms the so many advantages of it like reducing the level of cholesterol in the blood and treating many other diseases.

The Fluoride in Tea is converted to the gas HF in your stomach which attacks and destroys tissue in your upper airways and the gastrointestinal tract. The conclusive studies were done by Professor Susheela and reported widely. Volunteers who consumed milligram quantities of Fluoride suffered nausea, vomiting, blood in the stomach and ulcers that persisted for weeks.

I have covered some of the science here:

Technical Report Pain in the Gut - Fluoride Damage to the Gastrointestinal Tract

Thanks بان حمید

Thanks Entedhar sarhat

Thanks Joshua

Thanks Abbas Abd

I don´t think it wouls be useful for the health

Regular green tea is 99.9% water, provides 1 Calorie per 100 mL serving, is devoid of significant nutrient content (table) and contains phytochemicals, such as polyphenols and caffeine.

Although numerous claims have been made for the health benefits of green tea, human clinical research has not provided conclusive evidence of any effects. Although green tea may enhance mental alertness due to its caffeine content, there is only weak, inconclusive evidence that regular consumption of green tea affects the risk of cancer or cardiovascular diseases, and there is no evidence that it benefits weight loss.

In high dose can to be with liver toxic effect.

Thanks Sami Ullah.

is neutral for health and it doesn´t cause, of course, pepito ulcera

There is some evidence that Drinking green tea has a certain preventive effect on reducing the risk of gastric cancer unless it is consumed too hot (see Association between green tea intake and risk of gastric cancer: a systematic review and dose-response meta-analysis of observational studies. Public Health Nutr. 2017 Dec;20(17):3183-3192). There is a growing body of research into the health benefits of polyphenols from green tea regarding the immune system (IBD, cancer), metabolism (insulin resistance, cholesterol levels), arteriovascular system and mood and cognition (see e.g. Tea and its consumption: benefits and risks. Critical Reviews in Food Science and Nutrition, 55(7):939-54 )

And how about cold matcha or white tea?

The high levels of neurotoxic Aluminium in Tea adds an unacceptable risk.

Green tea is good for health

Really is good for health and doesn´t not any relationship with peptic ulcer

Thanks Geoff pain

Thanks khameem saher

Thanks luis rodrigo

Thanks dietmar scholz for your valuable answer

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Thanks بان حمید فرحان

Thanks Marwah Firas Abdullah Al-Rawe

have heard so many advantages of green tea but still i don't why all those facts are not compelling enough for me to shift entirely to drinking green tea.

Green tea in general is good for health and also provides supplement of fluid intake that is necessary for some people

Thanks Luis Rodrigo