GreenteaisatypeofteamadesolelywiththeleavesofCamelliasinensis,thathasundergoneminimaloxidationduringprocessing.GreenteaoriginatesfromChinaandhasbecomeassociatedwithmanyculturesinAsiafromJapantotheMiddleEast.Recently,ithasbecomemorewidespreadintheWest,whereblackteaistraditionallyconsumed.Manyvarietiesofgreenteahavebeencreatedincountrieswhereitisgrownthatcandiffersubstantiallyduetovariablegrowingconditions,processingandharvestingtime.Overthelastfewdecadesgreenteahasbeguntobesubjectedtomanyscientificandmedicalstudiestodeterminetheextentofitslong-purportedhealthbenefits,withsomeevidencesuggestingregulargreenteadrinkersmayhavelowerchancesofheartdiseaseanddevelopingcertaintypesofcancer.Theteahasalsobeenusefulforweightlossmanagement.