[Drinking tea can cause chest tightness, dizziness, dizziness]_harm_bad
Tea culture is one of China’s traditional cultures. Different varieties of tea are grown in various regions of China, such as Pu’er tea, oolong tea, etc., which are famous at home and abroad.
Too many people have the habit of drinking tea every day. Although tea has many benefits for the human body, not everyone is suitable for tea.
For people with poor physical fitness and relatively weak cardiopulmonary function, drinking tea may also cause chest pain, dizziness, and dizziness.
Does drinking tea cause chest tightness? Drinking tea can cause chest tightness. Proper drinking tea is good for the human body, but drinking too much is not good, and it varies from person to person. Some people are not suitable for drinking tea.
Strong tea caffeine is high and chest tightness. Tea generally contains about 2% to 4% of caffeine. Caffeine stimulates the central nervous system, produces a feeling of excitement, and helps to stimulate the mental state.
However, caffeine can also stimulate the heart muscle to beat, so excessive excess can cause rapid heartbeat, palpitations, and elevated blood pressure.
If the elderly with poor heart function cause coronary heart disease, pulmonary heart disease, high blood pressure, drinking strong tea, it may also cause leaks of chest tightness, restlessness, or insomnia at night.
Adult caffeine intake should not exceed 300 mg per day.
A cup of 8 millimeters (about 237 milliliters) of black tea can contain 14 to 70 milligrams of caffeine. If it is advertised as “low caffeine”, it still contains about 0 to 12 milligrams of caffeine.
Green tea relatively contains excess caffeine, about 24 to 45 mg.
The stronger the tea leaves, the more caffeine is.
Does drinking tea cause chest tightness? 2. The health function of drinking tea comes from the chemical component tea polyphenols in tea.
It has a strong antioxidant effect and can eliminate free radicals in the body (this is a substance O that affects the normal physiological functions of various organs and causes aging.
The antioxidant effect of tea polyphenols is related to the number of hydroxyl groups. Green tea contains higher polyhydroxy polyphenols, and its antioxidant effect is more than five times that of black tea.
Therefore, green tea has various health functions such as avoiding arteriosclerosis.
Green tea is also considered to inhibit the growth of grapes, so tea polyphenols can prevent skin cancer caused by chemicals, prevention of gastric cancer and rectal cancer.
Tea has a protective effect on the teeth, because tea can inhibit the activity of glucose transferase, thereby inhibiting the bacterial damage to the teeth.
The contained fluorine element also plays a role in protecting teeth.
3, should not drink tea crowd 3.
1. Patients with constipation: The polyphenols in tea have a certain astringent effect on the gastrointestinal mucosa. Drinking tea from constipation will aggravate constipation.
2. People with neurasthenia or insomnia: After drinking tea, the brain is in an excited state and affects sleep and rest.
Caffeine in tea has a significant excitatory effect on the cerebral cortex.
3, iron deficiency anemia is not suitable for drinking: the residual acid in tea will form hardly absorbed sediment with iron in food, tea drinking will increase anemia.
4. Tea should not be consumed in patients with calcium deficiency and fractures: The alkaloids in tea can inhibit the absorption of calcium in the duodenum, and can also cause calcium deficiency and osteoporosis. Drinking in patients with calcium deficiency and fractureTea will affect their recovery.
5. People with stomach acid and gastric ulcer should not drink tea: theophylline in tea will reduce the activity of phosphodiesterase, and make the gastric wall cells secrete a lot of gastric acid.The efficacy of acid drugs.