health benefits and harms, who should not, how to drink

Octo­ber 08, 2020, 16:41

Green tea is con­sid­ered one of the most pop­u­lar drinks in the world. And although 80% of all tea sales in the world are black, the ben­e­fits of green tea are much high­er. How­ev­er, there are seri­ous con­traindi­ca­tions for its use. We will fig­ure out what are the ben­e­fits and harms of green tea for health, as well as how to drink it cor­rect­ly.

green tea benefits and harms photo


What are the benefits of green tea

In its home­land, Chi­na, green tea was orig­i­nal­ly used only as a med­i­cine, and only over time, tea cer­e­monies began to be held for plea­sure and relax­ation. By the way, green tea retains most of its ben­e­fi­cial prop­er­ties, as it is processed min­i­mal­ly. Tea leaves are har­vest­ed by hand, dried, rolled and stop the oxi­da­tion process very quick­ly, unlike black tea. So what are the ben­e­fits of green tea?

  • Green tea has a pow­er­ful antiox­i­dant effect. It affects the entire body, improves over­all well-being, as well as skin con­di­tion.
  • Green tea acti­vates the brain, invig­o­rates, gives strength, helps fight lethar­gy, drowsi­ness and even depres­sion. That is why it is so ben­e­fi­cial to drink it in the morn­ing.
  • With colds and poor health, green tea helps to elim­i­nate tox­ins from the body and improves metab­o­lism. Due to its anti-inflam­ma­to­ry action, it is able to alle­vi­ate the course of the dis­ease.
green tea benefits and harms photo


  • Green tea is good for the heart and blood ves­sels. In a small amount, it low­ers blood pres­sure in those suf­fer­ing from hyper­ten­sion, increas­es the elas­tic­i­ty of the walls of blood ves­sels.
  • Green tea has a pro­nounced diuret­ic effect: it helps to relieve swelling and remove “excess” water from the body.
  • Bioac­tive com­po­nents in green tea may reduce the risk of demen­tia, as well as Alzheimer’s and Parkin­son’s dis­eases.
  • Due to the high con­tent of caf­feine, green tea increas­es metab­o­lism and there­fore accel­er­ates weight loss.
  • Reduces the risk of devel­op­ing type 2 dia­betes, as well as the like­li­hood of devel­op­ing can­cer.

What is the harm of green tea

Green tea, espe­cial­ly in excess, can be harm­ful. When should you lim­it your green tea intake?

green tea benefits and harms photo


  • With hyper­ten­sion, ath­er­o­scle­ro­sis and increased excitabil­i­ty of the ner­vous sys­tem.
  • With gas­tric and duo­de­nal ulcers.
  • With insom­nia (espe­cial­ly in the after­noon).
  • With iron defi­cien­cy ane­mia (in this case, green tea can be drunk only 30 min­utes after eat­ing).
  • Dur­ing preg­nan­cy (caf­feine adverse­ly affects the devel­op­ment of the fetus).
  • With exac­er­ba­tion of kid­ney dis­ease.
  • In glau­co­ma.
  • At ele­vat­ed tem­per­a­ture.

How to drink green tea

There are gen­er­al rec­om­men­da­tions that help enhance the ben­e­fi­cial prop­er­ties of green tea and min­i­mize the harm­ful ones. By the way, these rules came to us from Chi­na, so you should lis­ten to them.

  • You can drink about 4–6 cups of tea with­out sug­ar per day.
  • Do not drink green tea on an emp­ty stom­ach, as well as drink a scald­ing drink.
  • The com­bi­na­tion of green tea with alco­hol puts a huge strain on the kid­neys.
  • Too strong tea can cause headaches and insom­nia. And if you brew tea for too long, its nutri­tion­al val­ue will decrease.

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