大多数医生在您五十岁时都会建议您做常规的结肠癌的筛选检查。
结肠癌的大体标本
这些检查会降低您死于结肠癌的机会。如果您决定做筛选检查的话,您有以下的几种选择:1)大便测血检查(又称为大便隐血试验,fecaloccultbloodtest):这个试验要收集你三次大便的样本,并将它们送交实验室去检测。每年一次最为有效。2)乙状结肠镜(sigmoidoscopy):通过乙状结肠镜[
阅读全文]
去年八月,英国著名医学杂志《柳叶刀》发表了一篇评论,题为《Chinesedoctorsareunderthreat(危墙下的中国医生)》(TheLancet,Volume376,Issue9742,Page657,28August2010)。在一位国内校友的提示下,我找到了文章的中文翻译,大意为:体制改变是8月18到21日深圳举行的世界癌症大会的主题,也是中国卫生部长陈竺在描述目前的中国医疗改革时传达的中心信息。在此次大会上主导关于讨论体制[
阅读全文]
Latelastmonth,theChinesegovernmentannouncedthatitwillinvestfourtrillionrenminbi(US$600billion)overthenexttenyearstoprotectandimproveaccesstowater.Thepolicywasspeltoutinthisyear'sNo1Document—thecentralgovernment'sfirstpolicydocumentoftheyear,settingthetoppriorities—releasedon29January,andcomesasasevereandcontinuingdroughtinnorthernChinathreatenscropsofwinterwheat.TheChinesegovernmentisrighttohigh...[
阅读全文]
Anewstudyhasaddedtotheexistingliteraturethatdebatestheroleofzincincombatingthecommoncold.Itsuggeststhatthesupplementmightmodestlyreducecolddurationandseverityormaybeevenpreventit.ThereportwaspublishedasaCochraneReview.Drs.MeenuSinghandRashmiRanjanDasfromthePostgraduateInstituteofMedicalEducationandResearchinChandigarh,India,examinedtheresultsfrom13previouslytherapeutictrialsandtwopreventivetrialso...[
阅读全文]
线粒体(mitochondria)存在于大多数真核细胞内,是细胞生命能量ATP的制造来源,为细胞的新陈代谢提供充足能量,所以线粒体在科学界也有细胞“动力工厂”之称。人体衰老与线粒体关系密不可分。氧自由基[reactiveoxygenspecies(ROS)]让线粒体受损并无法得到修复,最终导致细胞因能量下降而趋向衰亡,使人体细胞老化速度不断加剧。另外一项老化的机制,与细胞核(nucleus)内承载遗传[
阅读全文]
不管是打猎还是自身保护,枪支成为美国女人情人节礼物的最爱,情人节期间美国枪支销售大增。
http://www.wboy.com/story.cfm?func=viewstory&storyid=94239
[
阅读全文]
EnergydrinkssuchasRedBullandothersmayposeriskstochildren,adolescentsandyoungadults,accordingtoanewstudybytheUniversityofMiamiSchoolofMedicine.Theindustrydisputestheclaim.
Energydrinkspackedwithcaffeineandsugarmayposeserioushealthriskstousers,especiallychildren,adolescentsandyoungadults,accordingtoastudybytheUniversityofMiamiSchoolofMedicinepublishedMondayintheonlineversionofPediatrics,thepeer-...[
阅读全文]
在2010年大約有七十八萬五千美國人首次患上冠心病﹝心臟病發﹞,四十七萬人會經常性地心臟病發作。每二十五秒便有一個美國人心臟病發,每一分鐘有一個人會因心臟病發死亡。二月是美國關注心臟健康月,為了防止心臟病發生在您的身上,CDC(美国疾病控制中心)和AHA(美国心脏协会)希望通過這活動為您提供一些有關心臟健康的珍貴資料,以防止心臟病發生在您或家人[
阅读全文]
JClinEndocrinolMetab.2011Jan;96(1):E104-8.Epub2010Nov3.Placentalgrowthfactor:apromisingdiagnosticbiomarkerfortubalectopicpregnancy.
HorneAW,ShawJL,MurdochA,McDonaldSE,WilliamsAR,JabbourHN,DuncanWC,CritchleyHO.CentreforReproductiveBiology,Queen'sMedicalResearchInstitute,UniversityofEdinburgh,Edinburgh,UnitedKingdom.andrew.horne@ed.ac.ukAbstract
CONTEXT:Tubalectopicpregnancyiscommon,butaccur...[
阅读全文]
Toddlersfedadietofjunkfoodcansufferlastingdamagetotheirbrainpower,researcherswarn.Childrenwhoeatmorechips,crisps,biscuitsandpizzabeforetheageofthreehavealowerIQfiveyearslater,astudyshowed.ThedifferencecouldbeasmuchasfiveIQpointscomparedwithchildrengivenhealthierdietswithfruit,vegetablesandhome-cookedfood.Buteveniftheirdietimproves,itcouldbetoolateastheill-effectscanpersistforalifetime.Thisisthefir...[
阅读全文]