Drinking too much barley tea will cause some people to have ADHD symptoms, such as palpitation, dizziness, weakness of hands and feet, trance and so on. People who don't drink tea often, especially those who drink tea on an empty stomach in the morning, are more likely to have the above symptoms. It's called being drunk. Once you get drunk, you can take candy or drink some sugar water to relieve it.

Compared with young people, the stomach of the elderly is more fragile, and middle-aged and elderly people with gastric and duodenal ulcers are even less suitable for drinking tea on an empty stomach, especially strong tea. Because too much tannic acid will stimulate the gastrointestinal mucosa, leading to aggravation of the disease, and some will also cause indigestion or constipation.

Extended data:

1, it is best not to drink barley tea before going to bed. Drinking a lot of tea can easily lead to frequent urination at night, which has a great influence on sleep quality.

2. If the body has abdominal distension and pain caused by accumulated food or damp heat in the body, it is best not to drink barley tea to avoid aggravation.

3. People with bad stomach had better not drink barley tea, because if such people drink barley tea, it will cause gastrointestinal discomfort. If the problem is serious, it may cause diarrhea, which is very bad for their health.

It is also recommended not to drink tea during taking medicine. Many elderly people suffer from some chronic diseases and need to take them for a long time. It is recommended not to drink tea at this stage. Many drugs have sedative and antiarrhythmic effects. If you drink tea at this time, it will easily affect the efficacy and is not conducive to physical recovery.

People's Daily Online-Barley Tea has 6 functions, but you can't drink it for 4 hours.

People's Daily Online-Barley Tea can tonify deficiency, blood and spleen and stomach, and it is not suitable for people with physical weakness to drink more.