According to relevant medical research, the content of theophylline in light tea is less, which is enough to refresh the mind and restore physical strength, but it will not make people excessively excited. The high content of theophylline in strong tea will lead to excessive mental excitement, dysfunction of nervous system and excessive gastric acid secretion, which will have extremely unfavorable consequences for patients with gastric ulcer and duodenal ulcer.

Drinking strong tea often will combine tannic acid in tea with protein in food to form tannic acid protein, which will affect appetite and digestion and even cause constipation. In addition, because theophylline can also raise people's body temperature, patients with fever will have a high fever if they drink strong tea.

It is known that 10% of tea lovers, who drink 2-3 cups of strong tea every day, will have symptoms such as nervousness, anxiety and shortness of breath. Caffeine in tea is addictive, which will make people drink more and more strongly, thus damaging people's health. You can make an appointment through the registered network or at home.