Physiological period: women will consume a lot of iron during physiological period, and tea contains as much as 50% tannic acid, which can prevent people's mucosa from absorbing iron and reduce the absorption of iron.
Pregnancy: Tea contains a high proportion of coffee stands, which will increase the urine volume and heartbeat frequency of pregnant women and increase the load on pregnant women and the heart.
Before pregnant women give birth: coffee in tea will excite people's central nervous system and easily cause insomnia. If there are not enough pregnant women, it may lead to physical exhaustion and even difficulties.
Mental women: Postmenopausal women often have dizziness, fatigue, sometimes jumping, irritability, sleep quality and so on. If you drink too much tea, you will aggravate these symptoms.
What are the benefits of women drinking green tea?
1, drink green tea, your skin is ruddy: no one knows that your skin needs to be oxidized to resist ultraviolet rays and spots, even lively and lovely young girls are no exception. It's best to buy those expensive ones that can appreciate the wonderful red fragrance of green tea better. Rich in vitamin C, caffeine, tea, antioxidant and neutralizing ions, it helps to remove black spots, wrinkles and black spots.
There is also a secret recipe: if you want shiny skin, drinking green tea alone is not enough. As a mask, tea residue is applied to all parts of the main body, which is more useful than green mud made by chemical methods.
2, drink green tea to keep fit: smart girls will drink green tea, and one person can increase the quiet temperament; On the other hand, the caffeine contained in green tea will make you energetic, work, work and think. And because the coffee in green tea is much smaller than coffee, it can stimulate skeletal muscle and accelerate its contraction.
3. Lose weight and prevent cardiovascular diseases: There is a close relationship between drinking tea and losing weight. The book Shennong Materia Medica has already mentioned the weight-reducing effect of tea more than 2,000 years ago: "Take it for a long time. Nothing is not old.
4, antiviral sterilization: brand tea is a good medicine "Journal of the American Academy of Sciences" broadcasts detoxification: "The chemicals in tea can enhance the human body's ability to resist infection."
5, drinking green tea to prolong life: the anti-aging effect of green tea in the human body, a variety of effective chemical components and vitamins, human life, old age, illness, death is an irresistible law, the so-called "eternal life" is false, "hit it off" is true. The life span of drinking tea can't be enumerated in ancient and modern Chinese and foreign cases. 6, anti-bait, in addition to bad breath: green tea contains fluorine, this intermediate tea can reduce the occurrence of dental plaque and periodontitis according to the removal of dental plaque. Tannic acid contained in tea has bactericidal effect, which can prevent edible geese from breeding bacteria, so it can effectively prevent bad breath.
7. Green tea can improve indigestion: This research lecture shows that green tea can help improve indigestion, just like acute diarrhea caused by bacteria. Drink a little green tea to relieve the illness.
8. The benefits of drinking green tea, reducing computer radiation, reducing the impact of smoking on the human body and so on. Have an inevitable impact.
3. What are the disadvantages for women to drink green tea?
Green tea can not only lose weight, but also have beautiful wrinkles. Therefore, proper use of green tea is still a good choice for advertising ladies, but for menstrual women, drinking green tea will not only be unhealthy, but also bring some troubles to your body. Studies have shown that the more green tea there is, the greater the obstacle to iron absorption, especially after meals, especially after drinking tea. Women face a lot of blood loss, and at the same time, iron, an important element of hemoglobin synthesized by human body, is also lost in large quantities, which is easy to cause iron deficiency anemia.
The coffee group in green tea has a better effect, but due to the changes of neuroendocrine regulation during menstruation, it is usually accompanied by scales, headaches, breast pain and so on. Women usually have constipation during their menstrual period. This is related to Boginnoid secretion. Too much tannic acid in green tea will also aggravate constipation symptoms, and due to the convergence of tannic acid, intestinal peristalsis can be slowed down, which will lead to feces in intestinal feces.
After reading the above introduction, it doesn't matter if you don't drink green tea. In fact, it can't be promoted. If we can use it confidently. Moreover, there are many kinds of tea. If green tea is not suitable for drinking, you can choose black tea and black tea, and the health effect is also good.
Drink green tea
1, avoid drinking.
Because tea is polluted by harmful substances such as pesticides during planting and processing, there is a certain residue on the surface of tea. Therefore, tea has a washing function and should be discarded.
2. Avoid drinking tea on an empty stomach
Drinking tea on an empty stomach will dilute gastric juice, reduce digestive function, and have a high water absorption rate, which will lead to a large number of bad ingredients in tea, leading to dizziness, palpitation and weakness of limbs.
3. Drink less new tea.
Because of the short storage time, new tea contains more unoxidized polyphenols, aldehydes and alcohols, which has strong stimulation to human gastrointestinal mucosa and is easy to induce gastrointestinal tract. Therefore, drink less new tea, and drink more new tea in less than half a month.
People with cold stomachs should not drink more.
People with gastrointestinal colds should not drink too much, which will lead to gastrointestinal discomfort. If you don't drink tea before going to bed, lactating women should also drink less tea, because tea has the astringency of milk. 5, avoid green tea, avoid drinking overnight tea.
The tannin Zyid in green tea is precipitated by many drugs, which hinders its absorption and affects its curative effect. As the saying goes, "tea breaks down", overnight tea takes too long, and vitamins are lost. The nutrients in tea are raw materials for bacteria and mold.