People around the world drink tea. Hundreds of varieties exist. Tea is the most consumed beverage in the world behind water. However, 78 percent of the tea consumed worldwide is black and only about 20 percent is green. They all naturally have high amounts of health-promoting substances called flavonoids. So they’re thought to bring down inflammation and help protect against conditions like heart diseases & diabetes.
Native to China & Japan green tea is hailed for health benefits for centuries now. All tea types come from the same leaves Camellia sinensis. But the leaves are processed in different ways and each tea is a little different. Green tea usually isn’t fermented. The leaves are simply steamed and then crushed by hand. It’s especially high in the most potent type of catechin, called EGCG.
- Unsweetened brewed green tea is a zero-calorie beverage.
- The caffeine contained in a cup of tea can vary according to the length of infusing time and the amount of tea-infused. In general, green tea contains a relatively small amount of caffeine.
- Green tea is considered one of the world’s healthiest drinks and contains one of the highest amounts of antioxidants of any tea.
- Natural chemicals called polyphenols in tea are what are thought to provide its anti-inflammatory and anti-carcinogenic effects.
- Green tea is approximately 20-45 percent polyphenols by weight, of which 60-80 percent are catechins such as EGCG. Catechins are antioxidants that are said to help prevent cell damage.
- Green Tea Health Benefits
Listed below are the possible health benefits associated with green tea:
- Green tea was used in traditional Chinese and Indian medicine to control bleeding and heal wounds, aid digestion, improve heart and mental health, and regulate body temperature.
- Recent studies have shown green tea can potentially have positive effects on everything from weight loss to liver disorders, type 2 diabetes, and Alzheimer’s disease.
- Green tea and cancer prevention
According to the National Cancer Institute, the polyphenols in tea have been shown to decrease tumor growth in laboratory studies have shown the positive impacts of green tea on the following types of cancer:
- Breast Cancer
- Bladder Cancer
- Ovarian Cancer
- Colorectal (bowel) Cancer
- Esophageal (throat) Cancer
- Lung Cancer
- Prostate Cancer
- Skin Cancer
- Stomach Cancer
- Green Tea Benefits for Heart Health
It is said that green tea consumption is associated with reduced mortality due to all causes, including cardiovascular disease.Scientists think, green tea works on the lining of blood vessels, helping keep them stay relaxed and better able to withstand changes in blood pressure. It may also protect against the formation of clots, which are the primary cause of heart attacks
- Green tea and lower cholesterol
- Consuming green tea, either as a beverage, was linked to significant but modest reductions in total and LDL or “bad” cholesterol.
- Stroke risk and green tea
- Drinking green tea on a regular basis is associated with a reduced risk of stroke.
- Green Tea for Type 2 Diabetes
Green tea is said to lower the risk of type 2 diabetes if taken along with proper diet & exercise. Green tea apparently helps regulate glucose levels slowing the rise of blood sugar after eating. This can prevent high insulin spikes and resulting in fat storage.
- Green Tea and Weight Loss
Green tea increases metabolism. The polyphenol found in green tea works to intensify levels of fat oxidation and the rate at which your body turns food into calories.
- Green Tea & Inflammatory Skin Diseases
A 2007 study concluded that green tea could hold promise as a new treatment for skin disorders such psoriasis & dandruff. Treatment with green tea showed slower growth of skin cells and the presence of a gene that regulates the cells’ life cycles.
Green tea can apparently also help with wrinkles and the signs of aging, This is because of their antioxidant and anti-inflammatory activities. Working memory and the effects of green tea can enhance our brain’s cognitive functions, particularly the working memory. It is considered in the treatment of dementia & Alzheimers disease.
Theanine is an amino acid naturally found in tea leaves. It is this substance that is thought to provide a relaxing and tranquilizing effect and be a great benefit to tea drinkers.
- Antibacterial and Antiviral
Tea catechins are strong antibacterial and antiviral agents which make them effective for treating everything from influenza to cancer. In some studies, green tea has been shown to inhibit the spread of many diseases.
- Tooth Decay
Studies suggest that the chemical antioxidant “catechin” in tea can destroy bacteria and viruses that cause throat infections, dental caries, and other dental conditions.