Tea was invented in 2727.After that excessive addiction that causes diseases.the.person.fee/s.anxious.and.inability to sleep.because.of too.much.insomnia.may.you.always.be.happy.Emperor shen...Then the emperor feel in love with this drin.So tea ..became a popular drink in Chinese cultur.Tea advantage: One of the advantages of tea is to reduce stress and help the.tea.without.sugar.enhances.blood.orculation.Including increasing tension and anxiet.Diarrhea, Stool, lack of sleep.heart and digestion.