Green tea is an invigorating beverage with numerous health advantages, ranging from lower cancer risks to improved cardiovascular wellbeing.

Green tea’s polyphenols may help protect against cancer and other chronic illnesses; however, moderation should always be exercised when eating or drinking anything.

1. Lowers the risk of cancer

Green tea contains polyphenols, which can protect cells and delay tumor development, as well as provide protection from cancer by blocking carcinogens from entering the body.

Laboratory studies demonstrate the chemicals found in tea can inhibit cancer cell growth. Unfortunately, clinical studies on people have produced inconsistent findings. Some have linked green tea consumption with reduced risks of lung, colorectal, gynaecological cancers; while other have linked it with increased risks of breast and pancreatic cancers.

One study of half million Chinese adults revealed that those who consumed four or more cups of green tea per day experienced a 20% reduced risk of diabetes and 9% lower risk of cardiovascular disease than people who didn’t drink tea; more randomized controlled trials are necessary to confirm these results.

2. Lowers the risk of cardiovascular diseases

Cardiovascular diseases are one of the primary causes of worldwide morbidity and mortality, so preventive measures must be implemented in order to mitigate their risks; green tea has proven its efficacy at mitigating CVD risk factors.

Studies have demonstrated that green tea consumption reduces LDL and total cholesterol levels in people who are overweight, obese, type-2 diabetic or have hypercholesterolemia. Furthermore, it can lower risk for heart disease while improving endothelial function of vascular tissues.

An excessive intake of the beverage may cause side effects including restlessness, anxiety, increased heart rate, headache and nausea. Furthermore, because this drink contains caffeine those sensitive to caffeine should refrain from drinking it and excessive sweetener may diminish any potential health benefits; so for optimal health outcomes it should be consumed with minimal or no added sweetener.

3. Lowers the risk of oral problems

Studies have demonstrated that regular consumption of green tea reduces the risk of various oral issues, including precancerous lesions and gum inflammation. Green tea’s polyphenols help protect against these threats by acting as anti-inflammatory agents that provide additional defenses.

Green tea’s antibacterial effects make it an invaluable asset in fighting tooth decay, particularly against Streptococcus mutans bacteria found in the mouth.

As green tea can cause side effects such as dizziness and an elevated heart rate, it is recommended that before starting to drink this beverage regularly consult a doctor or nutritionist first – two or three cups daily should suffice as an ideal amount.

4. Helps in weight loss

Green tea is one of the healthiest beverages around and contains numerous beneficial plant compounds for our bodies. Some studies indicate it may boost metabolism and help you burn fat more effectively during exercise – hence its inclusion as an ingredient in fat-burning supplements. Plus it contains caffeine which might give an added boost before working out! Although drinking it right before bed can inhibit restful slumber.

Avoid sugar-containing green tea varieties and choose plain green tea leaves over instant tea bags as these contain more nutrients. Before taking green tea extract supplements, be sure to consult with a healthcare provider as large doses could cause issues if you suffer from high blood pressure or heart disease according to the National Center for Complementary and Integrative Health.

5. Boosts the immune system

Green tea is packed with antioxidants, particularly polyphenols, that can protect cells against free radical damage. Free radicals are molecules that attack cell structures and can increase cancer risks. Furthermore, L-theanine boosts alpha wave production to help you relax more.

Studies suggest that drinking green tea could lower cholesterol levels, although more research needs to be conducted in this area. Furthermore, one laboratory study discovered EGCG may diminish the efficacy of certain anticancer drugs; so be sure to discuss it with your healthcare provider prior to adding green tea into your diet.

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Green tea is generally safe for most individuals, though it may cause stomach distress in certain individuals. Green tea contains tannins which inhibit iron absorption; so, if you are at risk for iron-deficiency anaemia, only drink green tea during meals and in moderate doses.