Tea – the most ancient drink which didn't lose the popularity and today. Its black version is in special demand. However even this natural product needs to be made and consumed according to all rules. Advantage and harm of black tea – the opposite sides of one medal about which has to know everyone.
Tea leaves or package – here in what a question
Black tea has a number of indisputable curative and cosmetology advantages. It is connected with the high content of vitamins A, In, With, To and R. Besides, are its part some amino acids, tannins and alkaloids. However it is necessary to consider that the packeted tea is almost "empty" (and at times and simply harmful) drink therefore experts recommend to enjoy only its sheet forms. Therefore, when it comes to advantage and harm of black tea, first of all it is necessary to consider its loose versions.
Advantage of black tea
Black tea – a valuable source of caffeine. So, it is the excellent tonic increasing working capacity and mental activity of the person. Besides, consumption of drink improves work of an alimentary, cardiovascular system and kidneys.
In combination with honey or raspberry jam, black tea is widely used at colds and flu. And all because drink has the febrifugal and sudorific properties allowing to bring down high temperature.
One more unpleasant situation which will help to leave "tandem" of strong black tea and pasteurized milk, - poisoning. And it isn't important at all what became its reason: alcohol, low-quality food or something other. The substances which are a part of this vivifying drink will help "connect" and bring in short terms out of an organism the toxins constituting danger to human health.
Long ago it is noticed that the people who are regularly consuming black tea have oral cavity diseases less often. A secret consists in the antibacterial substances which are its part. They do tooth enamel stronger and resist to development of carious formations.
Thanks to pronounced antibacterial properties, black tea allows to cope with an initial stage of the konyyuktivit and also various skin and internal infections quickly. Besides, rather weak form of drink will help to bring down pressure and to stimulate a metabolism in an organism.
Harm of black tea
However, even such useful drink as black tea has a number of contraindications. And again it is necessary to begin with the caffeine having the toning effect. Its surplus can lead to insomnia, causeless alarm and tachycardia. For the same reason tea is contraindicated to patients with glaucoma as it can lift intraocular pressure. Besides, black tea washes away magnesium which is very important for normal functioning of nervous system from an organism. As result – the nervous breakdowns connected with irritability, nervousness and even spasms.
And one more ban: they can't wash down drugs as some of components of black tea can react with active ingredients of medicines.
Advantage and harm of black tea – a subject, perhaps, inexhaustible. But the main thing in it is a rule of "golden mean". Not to allow emergence of unpleasant symptoms, doctors recommend to consume no more than four cups of tea a day. And pregnant women need to reduce its consumption to two mugs at all. Otherwise it can negatively affect a set of weight of the child.