Green tea is usually wont to increase mental awareness, forestall giddiness upon standing and reducing the chance of bladder, esophageal, duct gland and sex gland cancer. However, like most supplements, there ar negative effects related to ingestion tea.
Allergic response
In rare cases, you will develop a severe allergy to tea. issue respiration, tightness or closing of your throat, hives and swelling of the face and tongue ar all potential symptoms of anallergic response, Drugs.com warns. If you expertise any of those effects right when taking tea, obtain immediate medical attention. Severe allergic responses will result in metastasis arrest and death. Once you recognize you're allergic to tea, avoid it and the other foods or beverages that contain it.
Gastrointestinal effects
Green tea will negatively have an effect on your gastrointestinal system, per MedlinePlus, a service of the National Institutes of Health. Some individuals taking tea can develop abdomen pain, pyrosis and constipation. Conversely, some patients can expertise severe looseness of the bowels once they take massive amounts of tea. moreover, tea decreases the speed your duct will absorb iron. This decrease in iron absorption could result in iron-deficiency anemia.
Psychological effects
Large doses of tea, sometimes quite five cups every day, could cause changes in behavior and different psychological effects. you will expertise associate degree magnified sense of nervousness and anxiety, Drugs.com reports. Some patients can become a lot of irritable and potential violent. you will conjointly notice that you just ar having issues in sleeping. These negative effects disappear because the dose of tea is faded.
Caffeine drug
One of the a lot of severe facet effects of tea could be a caffein drug. Excessive and long intake of tea will increase the quantity of caffein at intervals the body . The initial symptoms of caffein drug embody a severe headache, abnormal heartbeat, tremors, dizziness, convulsions, confusion and a ringing sensation within the ears, MedlinePlus notes. Dosages bigger than ten g to fourteen g per weight unit will kill you. If you're thinking that you have got overdosed on tea, obtain emergency medical attention.
Kidney Stones
While high fluid intake is usually suggested in those that have a history of excretory organ stones, tea has been found to extend the salt levels within the body waste. atomic number 20 salt stones ar one among the a lot of common varieties of excretory organ stones. There ar issues among some health care professionals that drinking tea will increase the chance of stone development.
Medication Interactions
Green tea will move with variety of medicines or supplements. Among the foremost necessary of those, tea could inhibit the action of nucleoside, a heart medication; scale back the sedative effects of benzodiazepines; increase pressure in those that take beta blocker and Lopressor, and scale back the results of metallic element and antipsychotic agent, that ar taken for psychological state. tea could cause a severe increase in pressure in those that take enzyme inhibitors, that ar wont to treat depression. tea in high amounts will interfere with theanticoagulant decoagulant, creating it less effective. per the Linus Pauling Institute, tea {can also|also will|can even|may also|may} interfere with the absorption of iron from plant substances and supplements; a cup of tea can decrease the quantity of iron absorbed by regarding seventy p.c.Cancer
When it involves cancer, tea has pluses and minuses. though tea shows some promise in numerous studies on cancer hindrance, the University of Maryland notes that a minimum of one massive study indicated it should increase the chance of muscular structure cancer, which the stronger and warmer the tea, the upper the chance. tea conjointly has mixed leads to therapy. the mix of tea with antibiotic drug and antagonist showed the medication were simpler in laboratory tests. however tea extract will stimulate a sequence in adenocarcinoma cells that will decrease sensitivity to therapy medication, and therefore the University of Maryland recommends that men receiving therapy for adenocarcinoma mustn't drink tea.