It’s2009.Youfeelsick,soyougotothedoctor.Shechecksyourfever,looksatyourthroat,andaskswhatyou’vebeenthinkingaboutlately.Whenyouleave，shegivesyousomemedicine,butalsoalistofthinkingskillsthatyouaresu

　　It’s2009.Youfeelsick,soyougotothedoctor.Shechecksyourfever,looksatyourthroat,andaskswhatyou’vebeenthinkingaboutlately.Whenyouleave，shegivesyousomemedicine,butalsoalistofthinkingskillsthatyouaresupposedtopracticedaily.Shesaysthatthewayyouthinkiscausingsomeofyourillness.

　　Doctorsandotherscientistswhostudythehumanmindandtrytoexplainwhypeoplebehaveinthewaythatdo,calledpsychologists,arestartingtobelieveit.Youknowthatyourbrainisconnectedtoeverypartofyourbodythroughyournervoussystem(神经系统).Nowscientistshaveprovedthathowyouthinkandfeelcanhaveaninfluenceonthehealthofyourbody.

　　Stress(压力，紧张)iscausedwheneverthereisaproblemorachangeinyourlife.Ofcourse,everybodyhasstressmoreorless;nobody’slifeisperfect.Infact,stressisnecessary.Withoutstress,wewouldneverlearnanythingorgroworchange.Wewouldprobablybeboredtodeath.Buttoomuchstresscanhurtyou.Itcanweakenyourbody’sprotectionsothatyouaremorelikelytocatchdiseases.Itcanevenmakeyoumorelikelytohaveanaccident.

　　Whenyoufeelstress,yourbrainsendsamessagetoyourbodytoproduceachemicalcalledadrenaline(肾上腺素).Adrenalinespeedsupyourbreathingandyourheartbeat.Todayyouhaveadifferentkindofstress.Problemslikeendlesshomeworkortroubleswithyourfamilyarethekindofthingsyoucan’tfightorrunawayfrom,soyoudon’tuseupallthatadrenaline.Itjuststaysbottledupinsideyou,andthat’swhatcandosomethingbadtoyou.

　　Whatcanyoudoaboutstress?First,youcantrytofindwaystochangethingssoyouaren’tundersomuchstress.Youcansetupaplantofinishhomeworkorgotoadoctororapsychologisttotrytoworkthingsoutwithyourfamilyoryourfriends.Butsometimesyoucan’tchangeastressfulsituation.Sometimesyoudon’tevenwantto.Abigchangemightbeagoodchange,butitwillstillbestressful.

　　Thelink(关联)betweenyourbodyandbrainworksintwoways.Yourbodycanhelpyourminddealwithstress.Ifyouareunderstress,youneedtotakeespeciallygoodcareofyourbody.It’simportanttogetenoughsleepandeatnutritiousmeals.Somepeopletakeavitamin-mineralpilleveryday.Anotherthingthatyoucandoisdailyexercise.Ifyougowalkingordoaerob