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What are the specific effects of tea?

Tea is a natural drink with many benefits. The following are the common effects of tea:

1. Refreshing and refreshing: Tea contains substances such as caffeine and theophylline, which can stimulate the central nervous system and make people feel awake and energetic.

2. Relieve fatigue: Tea also contains tea polyphenols and other substances, which have antioxidant and anti-fatigue effects and can help relieve physical fatigue and restore physical strength.

3. Promote digestion: Substances such as tea polyphenols and caffeine in tea can promote the secretion of gastric juice and accelerate the digestion and absorption of food.

4. Lower blood lipids: Tea polyphenols have antioxidant and cholesterol-lowering effects, which can lower blood lipids and prevent cardiovascular diseases.

5. Anti-cancer and anti-cancer: Tea polyphenols, theanine and other components in tea have obvious inhibitory effects on cancer cells and can prevent and assist in the treatment of tumors.

6. Health care: Different types of tea have different health effects. For example, green tea has antioxidant and hypoglycemic effects, black tea has diuretic, antihypertensive, and expectorant effects, and dark tea has lipid-lowering effects. It has functions such as weight loss, detoxification and beauty.

It should be noted that although tea has many health benefits, it should be consumed in moderation. Excessive drinking of tea may cause some discomfort, such as insomnia, dizziness, dry mouth, etc. In addition, substances such as caffeine and theophylline in tea may cause irritation to some people's bodies. For special groups such as children and pregnant women, it should be determined according to the situation.