Varume vanoda kunwa green tea kakawanda. Masayendisiti awana chinhu L-theanine muchinwiwa, icho chinoshanda pahuropi hwevarume uye chinowedzera kugona kwavo kufunga nekuita sarudzo. Kuwanikwa uku kwakatungamirwa nekuyedza uko makumi mana nevatanhatu vakazvipira.
Pakutanga, vakapindura vakabvunzwa kunwa green tea. Uye mushure meizvozvo, rinenge awa rimwe gare gare, takavaedza. Nekuda kweizvozvo, pikicha yakaitika seinotevera: avo vazvipiri vakanwa tii bvunzo isati yaitwa vakaita zvirinani nemiyedzo. Uropi hwavo hwakashanda zvakanyanya kupfuura avo vasina kunwa tii.
Chinwiwa, vanachiremba vanoti, chine akawanda polyphenols. Kushandisa kwavo kunobatsira kufutisa, chirwere cheshuga, atherosclerosis, ura zvirwere. Asi nechikonzero chipi zvinhu izvi zvinokanganisa varume zvakanyanya, hazvisati zvava pachena kumasayendisiti.