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Longjing tea efficacy and role of harm
Effects and functions of Longjing tea:

1. Refreshing and brain-boosting: Longjing tea contains caffeine and theophylline and other components, which can promote the excitation of the nervous system, improve the brain's responsiveness and attention.

2. Antioxidant and lipid lowering: Longjing tea is rich in tea polyphenols and other substances, has a strong antioxidant effect, can remove free radicals in the body, to prevent the occurrence of cardiovascular disease and cancer and other diseases, but also to reduce cholesterol.

3. Slimming and weight loss: The tea polyphenols in Longjing tea can promote fat decomposition and metabolism, which can help reduce weight and shape the body.

4. Stomach and liver: Longjing tea is high in tea polyphenols and amino acids, which helps to enhance liver function and digestion, and also protects the gastric mucosa.

Harmful effects of Longjing tea:

1. Indigestion: the theophylline and caffeine in Longjing tea will stimulate the stomach and intestines, easily causing indigestion.

2. Insomnia: the caffeine in Longjing tea will affect sleep, and long-term consumption may lead to insomnia.

3. Dehydration: Because Longjing tea is a diuretic, long-term consumption may lead to dehydration.

4. Tea Scale: Longjing tea is high in minerals, which can easily accumulate in the mouth to form tea scale after long-term consumption.