In the presence of some health problems, the tea consumed can be harmful to health, an opinion about this was voiced in an interview with a dietitian Elena Solomatina.
“Green tea contains more than black, catechins and chlorogenic acid, but it cannot be said that any particular type of tea is the most useful. The main thing is to choose a quality product,” said the nutritionist.
Solomatina clarified that she does not recommend drinking strong tea with existing diseases of the nervous system. Such a drink can provoke the release of stress hormones from the adrenal glands, resulting in a rapid heartbeat, high blood pressure.
Also, in an interview with Evening Moscow, a nutritionist touched on the topic of drinking tea in case of problems with blood pressure.
“People with high blood pressure can drink tea when there are no crisis values. It will even be useful, as it trains the body on a par with physical activity, ”said the physician.
Elena Solomatina made a reservation that there are times when people get used to drinking tea and consume it daily in large enough quantities. According to the doctor, the intake of the drink has a sedative effect on such “tea lovers”, so in stressful circumstances it will be useful for them to drink a cup of tea. , if there are problems with the health of the digestive system, gastritis, stomach ulcers.
According to Solomatina, the most harmful type is tea bags – it is much more beneficial for health to drink leaf tea. The specialist stressed that she advises “not to get carried away” with tea bags, their contents consist of the remains of tea production.
Also, the doctor recommended not to abuse tea, and drink a maximum of four cups of tea per day.
Earlier portal MedikForum.ru wrote about what drinks experts advise to use for colds. 
Elena Solomatina healthy lifestyle nutritionist