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AERALD TftIxIJNE' vas e3ctensive, with smoki'ng,getting attention. J ~ ~ ~'L- ',~ New York, Nev,York ~y 29, 19~', ,._ i Yonkers, New York July 28, 1962' Mhnkev Smoker Test SRnAing and Canc6r_- For Lung, Cancer Set ~~ ~ . PMALD ATE,'S ' - Study by World Doctors From Cable Dispatches Press coverage of the Eighth International Cancer COngress in Moscow -' , MGSCOW: Doctors at the Eighth Inter- national CAneer Congress looked at the problem ~~ of: smoking'yes-terday and said there seemed to bee no: definitee connection yet't between cigarettes and' cancer. But they presented,evidence', that smoking, combined wittv Inhalationof' pollutedd air and! sutomobile exltausti tends to' lnarease the incidence of' Itingi cancer. Most of'the final dAy,of the, Congress was concentrated on' thee problem of smoking' and lung cancer. C Tfiey heard that the tncidence of: lungg caneerr is . relatively low amongg white. South. Africans, - whol DrL GeoSrey. Dean, of . 8outh, Africa. calied, the . world's heaviesG cigarette smokers. Bttt. Dr. Dean,., senior physi- cian at Port~ Elizabethia Eastern - Cape Provincial!Hosiptal, made clear he co.nsiders cigarette smoking a factor, though not the solee one, 1nthe shal . erease In lung eancer.invarious „ parts of t*eworld. . B.ate Mighec tn Cities He saidthatd anaLvsis.of the SouthAfrican~ lung caneer deathss ftom1947: to1950 showtd, theL.cidencee ot~ lung car.cer waslessthan half'of that In Britain. It wass higher hr cities than inn rural areas and I particularly htghIn one city. Durban. which has a se- riou.c atr pollution.problem:.. Sonue of Dr. Dean's own eountrymeni at: the congress !aid describing white South A'frioaas .asthe:world's heaviest cmre(rte smokers ial not nrcrvarilyy accurate. One of'them told a reporter that statistics dldhSttake ihto accountt thee fact thatoiga- rettes are widely used by the whites . for tipping the' natlves- so that'.a~glvenwhite man doesi not necessarily smoke . alll the clgarettesi he:buys..-' - Dr. Dean also:reported: The imcidence of lung cancer among irnmiqrantss to South Africa from Britain, aged 45:to. 64:4 years, "was 44 per cent higher than In the S6uth- Afrtcan born, although it was considerably less than it wl have been 1f Yheyy had stayed.isBritafn"' whichis highlyin-dustriallzed.l The Britishh immigrante, be- foree moving to: South, Africa, smoked less oathe,average t.hanthe. South Africans and then "tended to increase their amok.- Ing habits.to the SouthAfiican level."' Batlxrine M. Herrold o-* .thelaboratoryof'.e pstliology, National Cancer Institute. 13ethesda, Md., presented a paper.r descr~ibingg the effects o'- 'ibenzo+pyrene"'- the.resplra, 4ory tract of' Syrian hamsters.. "Benzo-pyrenee is thc moet potent carcihogem icance: causing agentb so far lsolated from eitherr clparet:c: smoke condensate or air pottutanta,'" she:said. "Whedher or rotthistnr- einogen p,1arys a r:oie:inthede- velopment of'f lune cancer. In man is still uncertain,°' sha, addedJ. Benzo-pyrene ts separl from nicotine but is alsoo aa chemical edementfoundt itfn cigarette smoke, doctorss heri; explained. Shr, saidJ however, that th,! results : of her experimentss stilt left' uncertain whether cigarette smoking could bee a sole cause,ot lung cancer,. MOSCOW (at - An Atnerican l Dr. Vorwald said even it the scientist: planss to try'to, teach1., attempt tntrain:o monkeyas to~ motdteys to smoke in hopes of';smoke falls, it is possible that;, finding out whether cigarettes i by injecting tobaeco materiala„ can eausee lung , cancer io hu- or byy some otherr methods,.monk-., monk- mans. eys could be; made dependent on Dr. Arthur Ji Vorwald of De- nicotine, providing evidetrce on troit, Mich., said the smoking why people smoke.' - experiment will be a fotlowup "Is this tendency, for some peo- .to what he called the first arti- ple: to: smoke a biological urge ficially,induced caseot,lung:can- related to a person's abilityy too cer in a monkey,: develop cancer?"' he askedJ In a, report to the lhtcrnational Monkeys allo open, an im- Caneer Cor gress, the researcher portant' new field for sl poa- descritied the ciiemioai-produeed sible lung cancer dangers in, in- feat as a~ major breakthnough.ldustrlal fumes, chemicals and Hc said it provided the best pos- the like, he indicated sibility' yet for testing, potentialll ~~ VorwaldJ,chainnan ot'the drv_ gr. against~ lungg e_aneer: IWayne UttiversityOecupationalHealth Depar[ment'and head of WINSTONl-SALDMi JIOUEtNAL 4finstos-Sa1em, N.C. jaly 25, 19c2' th'e UJS. Public Health Service Cancer ControlCbmmittee, said the tirst:t inducedmonkey' lung.eancer was produced by erbyLi- Um oxide, a chemical that pre- viouslyh'ad caused lung,cancer in~.laboratoryrats. Dr. Vorvnld was the first to produce lungg cancer in rats- Fvidence of Hit-Ruui Cancei* Viirns Cited D'[t)SCDW iA'P!-New evidence 'Pne Russian said uorl- :n his that ailcancerm may be caused laboratory showsthal while ani- byl hit-.and-run viruces wass of- mats.develnp.ca.nceralter.b'eihg fered. Tuesday, by atop. Russian exposed loo certain v,iruses, no virologist: -e:•: itlence . of' the viruscould i tie Prof:,L. A: ZilberoG6loscnw in, `oamd 40 days after the cancers dicated in aa talk to thee world's"appeared' leadingg cancer figh'ters: that ex-.. This, he.said, suppnrtshiscon- periments with animals su;gest cept that viruses can, uader cer- That all human cancers may Iain conditians, transform a nor- becau.cede byy. viBuseswhichre--mali celll intoo a cancerouaone- main dormant in most' peop!e hut l,;,nd then play no turther rne in might he brought into mah.can, , the ftiture development of the. ,action in snme bythep,assa:,e:uf caneer: time, orbyr theinfluenceof'.rai7i,liee envisionedd theprocesc as: ation of chemicalsinthe.il rn•,,.,oy.+hlq inrohing a transmitlall ment. Ay a virnsof a i "new infor- Buthesttessedllhatthe.expnr:, malionP to the hereditary'montall evideneee suggests lb,timechanism within a normal oell- viru.ties, while seemingiyresit<)ml~iththet,irusthereafler serrin^;ible, for triggeringl cancerr.~-~onlyasa "passenaer"whilethe^•mcths, usuallydisappeac airr~cancen developedd indepeudkntly, Q,.in;' theirdi,rti•wnr':-Ihor.~'~s; Thus, hesugeested,, future al- .ccotmtin,fnr the taru Ihat "~~laekc onn cancer mighn h'ebased far no: virus ha: LrMn~ .sJ'I;~:'rl oot only ontrlmg to kill the can- from a human cancerl cer. but also on outtim off lh,• At the sa':metimee he told aq.luuhwaysof'l inflanunation br' -audienceof etieralithousand &i=ti,nc7cell and virnsc< by r!t=il enfistxat the Cancer Congres-^ral meanc . that recent proereasins his con• troversial field jiostifies optimi,:m that the cancer problem eventu- allv will be ,ol,edJ