arbohydrate,onanemptystomach,toobtaintheserotonin(血清素)increasesothatyouhaveagoodmood. Togetthewished-Foreffect.youmustnoteatanythingforfourhoursandtheneatatleast30gramsofstraightcarbohydrate.Drycereal(谷类食品),apieceofbreadwithjam,orapotatoshoulddothetrick. Protein(蛋白质)forpower Ofcourse.sometimeswedon’tneedtobecalmandsleepy.Sometimesweneedagreatdealofmentalconcentration,sothisiswhenit’simportanttomixproteinandcarbohydrate.Theproteinwillpreventthetryptophan(色氨酸)fromfloodingyourbrain,andtheriseinserotoninwon’ur. Whydessertmakesushappy Fatandsugarcausethebraintoletgoendorphins(内啡肽),whichsendpleasuresignalsthroughoutthebody.Thiswouldbefine,excepthumansarenotparticularlygoodatstoppingatonecookieorcake. Youcanalsosatisfyyoursweettoothbychoosingfruitfordessert. Timingyourmealsforenergy
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