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Date: 8 months ago 2018-11-14 08:00 Category: Health
Who cannot have tea
1. Pregnant women
tea contains a certain amount of caffeine which, stimulating a fruit, has negative effect on its development. There is a wrong opinion that as in red tea of caffeine it is less, it is not harmful to pregnant women. Actually, red and green tea not strongly differ on this indicator.
according to the Japanese researchers, contains in five cups of strong tea such amount of caffeine which can result in insufficiency of weight at the baby. Besides, caffeine causes increase of heartbeat and strengthens urination that increases load of heart and kidneys, and thus increases the probability of development of toxicosis.
2. Sick with an ulcer
Though tea promotes digestion, the people having stomach ulcer and a duodenum and also the increased acidity in a stomach, it is necessary to observe moderation in consumption of tea. The healthy stomach contains compound of phosphoric acid which reduces secretion of gastric acid in cages of walls of a stomach, but contained in tea теофиллин can suppress function of this connection.
is as a result formed excess of gastric acid, and the increased acidity of gastric juice interferes with healing of ulcers. Therefore yazvennik need to limit consumption of tea. Moreover, it is harmful to them to have strong tea. In such cases it is better to have tea with milk or Pu-erh, it partly removes stimulation of secretion of gastric acid, characteristic of tea.
3. Patients with atherosclerosis and hypertension in a severe form
Sick with the similar diagnosis it is harmful to have tea during the aggravation periods. It is better for them to use strong brewing tea with care. It is connected with the fact that to contain in tea теофиллин and caffeine which excite the central nervous system. And when the cerebral cortex comes to a condition of excitement, blood vessels of a brain are narrowed that is dangerous to having atherosclerosis and can cause formation of blood clots in a brain.
4. Sick insomnia
insomnia can have the most different reasons. Regardless of it it is not necessary to have tea shortly before departure in a bed. Because of exciting effect of caffeine and aromatic substances, the cup of strong tea before going to bed brings the central nervous system and a brain to an excitement state. Pulse becomes frequent, current of blood accelerates, it becomes almost impossible to fall asleep.
5. Patients with high temperature
the Heat is followed by expansion of superficial blood vessels and the increased sweating therefore high temperature leads to an excessive consumption of water and nutrients from what there is a thirst. It is considered to be that strong hot tea well satisfies thirst and therefore it is useful at the increased temperature.
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