Below is a summary of some of the health benefits of Tea. To sum it up, by drinking 2-4 cups of tea daily, you can reap in the numerous curative and preventive tea health benefits.
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Numerous studies suggest that green tea protects against a variety of cancers, for example lung, prostate and as well breast cancer. The reason is the antioxidant, epigallocatechin gallate (EGCG). Based on research carried out for Japans Kyushu University, the development of human lung cancer cells with a cell receptor called 67 LR is slowed significantly after drinking just 2 or 3 cups of green tea, which will consists of EGCG. Based on another study White tea could very well be much more efficient because of larger rate of EGCG.
Research at Taiwan's Chung Shan Medical University discovered that individuals who consumed one or more cup of green tea daily were 5 times less likely to develop lung cancer compared to those whom didn't.
Topical applications of green tea extracts have protecting benefits on UVA and UVB caused skin damage and could suggest decreased risk of skin cancer.
In a Japanese research, more frequent consumption of green tea was associated with having a lower prevalence of depressive symptoms.
There's proof that drinking green tea and black tea might help avoid diabetes however this is evidence of an affiliation, and more complete research are needed to confirm the result. For more information please visit our tea and diabetes page.
Effects on bacterial and fungal infections
Research at Pace University reported in May 2008 found white tea extracts to work at treating bacterial infections, like pneumonia and dental caries. White tea was also discovered to be effective in treating fungal infections and research also indicated that white tea extracts possess a greater effect than green tea extracts.
Effects on bad breath
Researchers from the University of Illinois at Chicago stated that Tea helps to avoid the development of bacteria that creates bad breath. Please visit our artciles on tea and dental health for more information.
Research published in April 2009 by University of L'Aquila suggests that drinking only one cup of standard, black tea daily can help to protect against cardiovascular disease. The research indicated that black tea consumption improves blood vessel reactivity, reduce both high blood pressure and arterial stiffness, indicating a notably better cardiovascular health profile. For more information please visit our tea for the heart page.
Effects related to caffeine
A cup of green tea contains between 15 and 50 mg of caffeine. Certain cognitive benefits are related to caffeine consumption, like a reduction in the chance of Parkinson's disease and a temporary rise in short term memory. Further, caffeine consumption may be associated with greater athletic performance, healthy weight loss, decrease in duration and harshness of headaches and is effective for the symptoms of asthma.
Lowers probability of cognitive impairment
A 2006 study indicated that elderly Japanese individuals who consumed over 2 cups of green tea a day had a 50 % lower possibility of having cognitive impairment, compared to those who didn't. This may be explained because of the effect of EGCG, which passes in the blood-brain barrier.
Influence on Dental Health
Scientists assume that drinking tea may be a great way to maintain your teeth healthy. They found that compounds in black tea, white tea and green tea were effective at killing or suppressing growth and acid output of cavity-causing bacteria in dental plaque.
Effects on HIV
Research conducted recently appearing in the Journal of Allergy and Clinical Immunology stated that EGCG found in green tea may lead to the inhibition of HIV virus binding and can be utilized as a complementary therapy for HIV patients. Necessary to note is that it’s not a cure, and nor would it be a safe means of avoiding infection; however it should be used in conjunction with conventional medicines to improve quality of life for those infected. For more information on the effects of tea on HIV.
Boosts immune system
Details of a study concluded by Brigham and Women's Hospital indicated that theanine might help the body's immune system response when fighting infection, as the production of anti-bacterial proteins was up to 5 times higher in tea-drinkers, an indicator of a stronger immune response. Please visit our tea recipe page for tea recipes to help boost the immune system.
Iron overload disorders
Researchers in Germany discovered that a daily cup of black tea might help stop excess iron damaging the bodies of people that have hemochromatosis due to its high-content of flavonoids which limit iron absorption.
Boosts mental alertness
Theanine found almost exclusively within the tea plant, alters the attention networks of the brain, based on results of human trials. The result is really a calmer, yet more alert, state of mind.
Increases metabolic rate
Clinical trials conducted at the University of Geneva and University of Birmingham indicate that green tea raises metabolic rates, increases fat oxidation and improves insulin sensitivity and glucose tolerance. Besides caffeine, green tea contains catechin polyphenols that raise thermogenesis, and therefore increases energy expenditure. There's also suggestion that it could increase endurance in exercise by improving fat metabolism.
Lowers stress hormone levels
Based on research, drinking black tea can result in lower levels of the stress hormone following a stressful event. Fifty minutes after being put through challenging tasks, subjects who have been drinking 4 cups of black tea daily for 6 weeks, had a 20% greater drop in cortisol compared to placebo group. Please visit our lowers stress hormone level page for more details.
The study, conducted at the University of California, Los Angeles found that drinking green and black types of teas has a significant effect on the risk of stroke. Drinking three or more cups of tea per day is able to reduce the chance of suffering a stroke by as much as 21%.