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BULLE',['IN "Philadelpnia, Pa. June 10, 1962 _Cancer Expert '- Not a Major Cause Of Lung Malignancy, . BIutfactor, He Says A U: SJ cancer expert'yester- day downgraded the importance of cigarette smoking as'a cause of lung cancer. The expert is Dr. W. C. Huep- er, of Bethesda, Md.,, who re- ceived his medical degree from. Kiel IDniversity in GelTrtany; andd has been in this coantr_v since 1923, ck-• THE EVfiNINO' BULLErIN 1' ~ V_ J tJ 7 ' W Philadelphia, Penr.sylvaniia June 11,,1962 . Those who know'most about'cancer Cancer i the Air . and its' causes are likely to be the most TIMES `" gasoline and diesel engines. Cigarette, responsible for this unfortunate distinc+ smoking is listed as a contributory cause tion, the need for stricter controls and' in a minor to moderate degree, better enforcement of anti-pollution The peoples of the earth have no laws is obvious and urep^• t"ltietlof Section Dr. Hueper saidlthat among the major causes of lung, can- Dr: Hueper isehiefof the en- cer is "occupation exposures; vironmentaf cancer section of for instance„ occupations in the National Cancer Institute: a w'h'ch coal tar products or oil division of the Department of mi3ts.or oil fogs are present:"' Health. Education and Welfare. He saidihe considered urban °h believe cigarette smoking air pallution also one of the,ma- is an indirec.t, orcontributorn jpr causes. cause to the development of "1 have said that since 1923," lung cancer but is not one of Dr. Huepe: said.'That was long th'e major causes," Dr. Hueper before they discovered cigar-. saids ettes:' Hee said that' while cigarette Higher 9n Cities smokee contains "htinuteAccordingto Dr, Heuper, the: amounts. of cancer producingg lung,.cancerrateinmetropolitan~ aubstances" it alSo.contains.oth'-o areasis twoo to threee timess thee er "'irritating" substances that rate in rural areas. are not cancer producing'Rrescientist ernphasized thaY Mal, Hurt: System 'Dhe.latter, Dr. Haueperr saidl maN dimage.tne natural defense system co tharcaneer-causing tubstaneesfrom other sources. -such.as industrial ones-have a ch'ance to attack the lungs moreintenselv: An indication of, this;, Dr. Huetxr continued, is that "sus- ceotihilitv'to lung cancer from cigarette smokingg drnps with the amount of cigarettes smoked "' He also noted that the air of L'ondon contains so much of'a snecific canecr-producing ohem- •we don't know all' the causes of lung, cancer." He saidd thav exhaust fumes, from gasohne.and diese6-power-ed motor vehicless contribute to ain pollution. He said hebelieved Ib'ut could not:prove:that traffic policemen might be among,those,whohavrg choice but to breathe the air in which they live. Global studies, it is said, have shown that, the risk of lung cancer les- sens in ratio to the air's freedom from contaminants. The dread disease is vir- tually unknown in many remote areas. These studies and opinions point the way to prevention, though not cure, of one kind of: cancer, or at least to a meas, ura'ble reduction of its incidence. lt is said that Philadelphia is'close to the top among the ten American cities' having the highest death rate from~lung cancerr among men. If motor fumes are mainly ~ Seattle, Washington June'10, 1962 Expert' Doubts Sir~~king Is Big, Cause of Ccsncer PHILADELPHIA, June 9.- (A'.P:)-An official with the National Cancer Institute said today he believes cigarette smoking is not a major cause of lung cancer. Dr. W. C. Hueper of Be- thesda. Mdj. the official. said "I believe cigarette smoking is an indirect or eontributory' cause to the deroelopment of' lung cancer, but is not one ot' the major causes." Dr. Hueper is chief of, the, environmental-cancer sectiow of the institute. a di,*sion of' the Department ot Health, Et4 ucation and Welfare. a,higher rate of lung cancer in qust: One.Cause' cities than residents' in other He said some method of con- lines of'w'ork.f trolling auto exhaustt fumesMinor Factor "might be used if it can be Bufhcsaid he thought fumes produced andlused economical- from diesel engines would he aly:" "minor factor" in producing "One objection to adopting lung caneer'substances because such a,measure:'the cancer ex- ical that'.I-trndoners who' dpvel-_ relatively fewmntor' vehicless pert saidj "iss thevv aretonex-' op lung cancer would have hadl operate on diesel fuel. pensive to start with and to to smoke five, paoks' of ciqar- 1 think a man driving operate. ettes a ~dey to Ret the eqwvatent through the Prnnsvlvama urn, "I would ask the motor in- amount of the chemical from pike tunnels behindl a line, of' dustrv to build better motors. eigerette cmok~. diesel trucks every day has a Probablv that is the fundamen- "Ofoourse[hev. dnn'tsmoke hazard.'." Dr. Hueper satd.. "But tal prob7emthatm has to be. thao much," Dr. Hueper added. it would require ex,posures of solved." fiveto.ten~ears;tobeeffective." Dr...Hueper appeared in Phila-Snme Susceptible Hesa.id it would be'foolishto detphia on Fridavas oneof'.the, Hesaidith'ataswithother.dfa- saNthat'vehicle fumess are a w"itnessesirn•ited to testify, b>•eases; there is the "factor of in- main cause of lung oaneer. the .tnint State Government dividual.susceptibility" inlung "Mevare7ys0one.cause;" he Commtssion on the.matter ofeaneer: aaid: air pollution. cautious in discussing them. There are many,areas of ignorance where science still has fa'r'to go. This gives special emphasis to statf- ments made in Philadelphia last week by Dr. W. C: Hueper, of the National Can- oer Institute' in Washington. He and his colleagues believe that air pollution has' been "unequivocally" proven to be a principal cause,of lung cancer, especi- ally in, urban areas' where the atmos- phere is loaded with exhaust gases from JE.~SE-Y J:'•t-'.IL473 Jersey lyity„ N.J,. June 9, 11962 Air Pollutionl Bllamed, for Lung Cancer PHILADE,LPHiAit;,P[i: -Dr. W. C. Hueper: agovemntenta rrh searrii. physician... laid principai blame for lung rancer, orn urbanairpollutina;.n particnflarly' tm+sgasolinen and di'esel, engine e.sbausts: Heuper,. ;,4iefof theEnvinm-mental I Cancer Scntion of ; the Na- uonal Cancer ihstautc; tnldaiomt s d atte pex-emmont commissio„ ~ studying : the problcross of a ir pnt- lu6innthatihe conclusion ras based on glot+al fesearch' and in-. qui ry. HE ADD6D howrsrr, that dto finding does not.erasethe"Jist linct pp:nsibdity" thatt ngarettc smokin~- "plavs a minor tn rnnd- eratecuntributory mle" in-mcaaa.ing.lun,- eancer: Heuper said idata .Mewti that, per- snns!iving.in cities and hirhlyinv diistnalired arrashad undnrmlmv hixter rau:v nf hutg,~ancrr than thrae h.un4g inmi-at areas in the same re,::iuns,.ti sa,dA it waaz vcnunlikeh that va- iatiins in.ZM~Ljn,p- habrthcouldn acrnuntfor suc.•% marketl differrnccs... The uate m,mmis,ihn hearc restimony'frnw. Hiteper and ahets to dotermvne thencrd for malcinR.. :t mand+uorn•tormntor vehictra.u h'e equipped aith IutnedispetF :nq rlc~.icws,.. ' 3 •