Wednesday, January 20, 2010

Benefits of Green Tea

Green teas contain about a quarter the caffeine content, by liquid volume, of coffee. Green tea has been attributed with providing a lot of health benefits, many of which have not been recognized by scientific grounds. Green tea also proved to be a good liver protector from the harmful effects of toxic substances such as alcohol. However, Green tea and aspirin should not be mixed because they both prevent platelets from clotting.

Green tea drinkers seem to have lesser risk for a wide range of diseases, from simple bacterial or viral infections to chronic degenerative conditions which includes cardiovascular disease, cancer, stroke, periodontal disease, and osteoporosis. Consuming Green tea has proved to increase survival in women with ovarian cancer. Green tea extract has been shown, through a mechanism that affects cell movement, to target cancer cells while leaving healthy cells alone. Green tea's catechins appear to affect the use of fatty acids by liver and muscle cells.

Green tea's consequence on muscle cells' ability to take in and burn fatty acids, speeding up fat breakdown, is also understood to be the reason why it helps weight loss. Green tea drinking is also linked with enhanced bone mineral density in elderly women. Green tea constitutes small amounts of vitamin K, which can make anticoagulant drugs, such as warfarin, less efficacious. Green tea is also promotedas an herb that can prevent certain bacterial infections. Green tea is very common in Egypt, and it's likely that many people there drink it while taking antibiotics. Japanese researchers are of the view that drinking five cups of Green tea a day can burn 70 to 80 extra calories.

The Green tea extract plays an important role in the control of body composition via liberal activation of thermogenesis, fat oxidation, or both. Several studies suggest an inverse relation between intake of Green tea and gastric cancer. There is also research proving that drinking Green tea lowers total cholesterol levels, as well as enhancing the ratio of good (HDL) cholesterol to bad (LDL) cholesterol. Researchers found that men who were given a combination of caffeine and Green tea extract burned more calories than those given only caffeine or a placebo. Antioxidants such as polyphenols in Green tea have the power to neutralize free radicals and may cut down or even help prevent some of the damage they cause.

A study of 472 women with different stages of breast cancer, researchers discovered that women who consumed the most Green tea experienced the least spread of cancer (especially premenopausal women in the early stages of breast cancer). In one large-scale study researchers compared Green tea drinkers with non-drinkers and found that those who consumed the most tea were importantly less likely to develop pancreatic cancer.


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