2. Dyspepsia: Excessive drinking of Pu 'er tea will lead to indigestion, such as gastrointestinal pain, diarrhea, constipation and other symptoms, especially for people with sensitive gastrointestinal tract, excessive drinking of Pu 'er tea will aggravate the symptoms.
3. Malnutrition: Pu 'er tea belongs to fermented tea, which contains much less nutrients than unfermented green tea, such as vitamin C content. Drinking too much Pu 'er tea will lead to malnutrition.
4. Osteoporosis: Because some Pu 'er tea is artificially accumulated and processed, it contains high levels of harmful substances such as lead. Drinking too much Pu 'er tea can easily lead to health problems such as osteoporosis.
5. Affect the efficacy: Pu 'er tea contains relatively high caffeine, which interacts with some drugs. If the curative effect can be reduced or increased, patients should not drink more tea during medication.
In a word, although Pu 'er tea has certain benefits to human body, it needs moderate drinking to effectively play its health care role, and excessive drinking of Pu 'er tea is easy to cause adverse effects on the body, which needs attention.