吸烟的坏处英文版.doc

1.One,smoking cause thrombus,cause all kinds ofheart diseaseInhaled cigarette smokeofcarbon monoxide reduces theability of bloodoxygen .Nicotine can rapid heartbeat,high blood pressure,reducethe hearts ability to withstand,myocardial ischemiacaused by coronary arteryinfarction,cardiac ischemia(orangina)promote adenoma accumulation,manyheart disease begins to happen.Between 30 and49 years old,smokersheartincidence rateis very high,is five times that of non-smokers.Smokersfound that after one yearof theirheart diseaseriskby half.Two,smokingon the braindamageSmokingcan cause a variety of brain diseases,may reducethe brain of oxygen and blood circulation,causingbrain hemorrhage and occlusion of blood vessels, resulting inparalysis,dementiaand stroke.Stroke due to smoking induced brain vascularspasm,makeeasier blood clotting.The risk of stroke insmokersthan non-smokerstwo times.Three,thedamageof smoking on oralSmoking cancause oral cancerand laryngeal cancer.The tarand smoke cigarettesin theheatwill causeinflammation of the salivary glands,impaired tasteand smellthe taste buds,greatly reduced the ability.Next,it is easy to cause oral cancer,approximately 2/3 of patientsfound inoral cancercan be difficultto live.At the same time,can make thethroatofflue gastemperature increases from 37 C to 42 C,cause micro degree burn inside the mucosa resulting from chronic heat trauma,and finally to laryngeal carcinoma.Four,smoking onlungdamageSmoking can cause bronchialepitheliumcilia shorter and irregularanddisorder and movement ,reduce the localresistance,susceptible to infection.Smoking can cause lung cancer.90% of the total mortality causedby smoking.Initial symptoms can not be detected,until the cancer cells spreadto the blood vessels and other organs.Smoking also causes emphysema,lung bronchial accumulation of toxic substances,will preventthe air inhaled and exhaled normally,cause lungcell expansionor burst,resulting in the sick difficulty breathing.Five,smokingdamageto the stomachPersons suffering from gastrointestinal diseases,smoking enough for gastroenterology deteriorate.Suffering fromgastriculcer or duodenal ulcer,ulcer healing will slow down,and even evolve intochronicdisease.Smoking can stimulate the nervous system,acceleratethe secretion of saliva and gastric juice, gastrointestinaltension often,resulting in loss of appetite smokers.In addition, nicotinecauses vasoconstriction of the gastrointestinal mucosa,and the appetite.Harmsix,smoking onthe whole skeletonNicotine causesvasoconstriction,reducingblood flow to the new bone.Smoking inhalation of carbon monoxide,and also to reducethe ratio of oxygen into the body.Smoking can cause pelvic inflammation andpain,severeback painpart of the National Peoples Congresshasgreat smokers,this is because smoking can cause reduced blood flow to auricular disc,auricular discand thus an early degradation.Smoking can cause arthritis.Smoking a packet of cigarettes a day ,will increase the prevalence rate of 50%.Smoking causes faster bone loss. Smoking caninterfere with estrogen,but estrogen is an important hormone bone development.Seven,smokingon liverdamageSmokingwill increase the burden of the liver.Regular smoking can affect thelipid metabolismof liver,so that the blood fat,reducecholesteroltobenign,malignant cholesterol increases.Thecauses ofthe liver detoxificationfunctionand increase the burden.Eight,smoking onintestinaldamageSmoking causescancer of the colon.This opportunity is suffering from canceris proportional tothequantityof tobacco smoking.Although studies have shown that stopping smokingcanreduce other diseases such as heart disease,lung cancer and other opportunities,but the riskof suffering from colon cancer is still very large.Nine,the damageof smoking onreproductive systemSmokingon spinalnervecentralinhibition,thesmokingmansexualweak ,becausesmoking canmakeblood vesselcontraction,spasm,causing peripheral blood circulation disorder.Smokingis the main cause ofimpotence.Australiaand Canada haveon cigarette boxlocal printed directly on this information.In addition,the effect of smoking onsperm motility,abnormal sperm increased;stop smoking three tosix months,before returning to normal.If you want a smart, healthy child,baby expertsadvocatemust stop smoking three tosix months.Harm ten,second-hand smokeSmokethe smokemay be distributed more thanfour thousandkinds of gases and particulate matter,most of these substances arevery strong stimuli, including at leastfortycan cause cancerin human oranimalbody.In the smoker to stop smoking,these particles can stillstayin the air for several hours,canbe other non-smokers inhale the body,may alsodecay products of radon gas mixed together,cause greater harmto human health.Smokers when smoking is hazardous to theirhealth at the same time, secondhand smoke alsoaffects non smokers.In addition to irritate the eye,nose and throat,it will significantly increasenon-smokers suffering from lung cancer and heartdiseasethe opportunity.Ifchildren live with a number of smokers, respiratorysystem,they would be more susceptible toinfection.Other effects include increasedcough,asthma,phlegm,lung functiondamagemitigation and lung development.From: Chinaquitnetwork2. Harmful ingredients , andharmof tobacco smoke.Processsmokersinhaled cigarette,thecigaretteinincomplete combustion processand thermalchemical reactionsynthesis ofa series of thermal decomposition,the formation of a large number ofnewmaterial,its chemical compositionis very complex,theseparation of harmfulcomponentsof more than 3000 speciesfrom the smoke,the maintoxic substancesasnicotine(nicotine, tobacco tar,)carbon monoxide,hydrogen cyanide,ammoniaand aromatic compoundsand other toxic substances.1)nicotine.Nicotine is asmell,taste bitter,colorless transparentoily liquid,volatile strong,easily oxidizedinto darkgrayin the air,can be quicklydissolved in water andalcohol,through the mouth,nose,bronchialmucosaeasilyabsorbed by the body.Viscosityis absorbedintothe body innicotinecanthe skin surface,is a drug thatcanmake people addicted to.A cigarettecontainsnicotinecan kill amuse,20 nicotine in cigarettescan kill a cow.Human lethal doseis50-70 mg ,equivalent to thecontent of 20-25 incigarettenicotine.There aretwo typical examplescan illustrate this problem:healthy 40 year oldBritish manalong-term smoking,engaged ina very important work,nightsmoke14 cigars and40 cigarettes,morningfeel uncomfortable,the doctor rescueis invaliddie.Another example is:France heldasmoking contestwinnerin a club,he smoked 60 cigarettes,the futureand thepodiumis dead,the othercompetitors in the competitionfor thedying,to the hospital.So,whythe dailycigarette smokingbox(20)manymore people,including nicotinecontentgreatlysurpassthe lethal dose,but acutepoisoningdeaths rarely?The reason ispart ofthe nicotine in tobaccosmokeistoxicformaldehyde inand out,butmost are notcontinuoussmoking,thenicotine isdiscontinuous slowly into thehuman body.In addition,cigaretteslit50%nicotinewith smoke diffusioninto the air,5%withcigarette buttsthrown away,25% wereburning damage,only 20%is absorbed by the human body.Andnicotine in vivowas soondetoxificationsare excreted in the urine.Coupled with the long-term smokers,the body producescertain toleranceto nicotine,thereforethe occurrence of acutepoisoningphenomenonlessharm,which makesmany peopleignoreandcontinue to smokecigarettes.2)tar.Is composed ofseveral kinds ofmaterial mixedinto,in the lungs will be concentrated intoa viscous,carcinogenicsubstances.-that is to say,it can causecancer,inwhichcontact with the organizationtherefore,smokers of any partof the respiratory tract(including oraland throat)has the possibility of cancer occurrence.Smoking 15 to20cigarettesaday,it is easy tosuffer from lung cancer,oral cancer or laryngeal cancer riskof death,14 timeslarger than peoplenot to smoke.Usually,the respiratory tractcanswinga nap onthelung, continuousparticles andbacteriaswept into theformation of phlegmmucusand their discharge,andof the chemicals in tobacco smoke inaddition to cancer,but also the gradual destruction oftherespiratory tractofthevile,increased mucus secretion,bacterialong timeremained in thelung,the lungthe occurrence of chronicdisease,susceptible tobronchitis.Smokers coughisdue to the mechanic