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11 l' . PROGRAM: PETER JENNINGS STATION OR NETWORK: ABC-TY DATE:. -March 13, 1967 TI M E: 6:30 P. M. SWEDISH RESEARCH IN SMOKING AND HEALTH PETER JBNNINGS: Researchers at the Swedish National Institute of Public Health today concluded from a study of twins that cigarette saokinS is probably.not associated with coronary heart disease. Other tedical reasons aiSht account for excess i1lQesses and death frov heart disease a.onS s.okers. Los Angeles Times March 14, 1967 Swe1 ish" ~ Resea rchers Question Cigaret Peril Report Indicates Smoking Is'Probabfy Not Associated With Coronary Heart Disease' Iv EW Y ORK (M-From a study of twins, two Swe- dish researchers conclude that cigaret smoking is 'probably not associated with coronary heart disease." Constitutional or genetic differences between smo- kers and non-smokers might' account for excess illness and deaths from heart disease reporte& among smokers, they say. Drs. Torbjorn Lundman and Rolf Blomftrand of the Karolinska Institute and S w e d i s h National, Institute of Public H'ealth, Stockholm, describe their findings in the publication Acta Medica Scandinavia. They made a 14-month study of 196 pairs of twins, of whom 92 pairs were identical or look - a 1 i k e twins with identical inher- itance, and 104 pairs of fraternall twins differing from each other genetical- ly. • One twin in each pair smoked, the other did not. They ranged in: age from 38 to 77 years. While the number stu- died was small, they said they found no excess mor- bidity or illness from, overt or obvious c o r o n a r y disease in smokers versus nonsmokers, or in "silent" coronary d i s e a s e diag- nosed by changes in elec- trocardiograms after exer- cise tests. The electrical changes were a main criterion in the study. They were ta- ken as evidence that a person had silent or nonr New Smoking Study From a study of twins, two Swedish researchers in New York, conclude that cigarette smoking is "probably not as- sociated with coronary heart disease." Drs. Torbjorn Lund- man and Rol.f Blomftrand made a 14-month study of 198 pairs of twins, 92 of the pairs identical, an& found no excess morbidity or illness from coronary disease in smokers versus nonsmokers. But smoking apparently does give rise to chronic bronchitis and other respiratory diffi- culties, the study showed. obvious coronary heart disease. Cigaret smoking a 1 s o Levels of cholesterol "most probably does not and other fatty materials result" in persistent high in the blood were found, blood p r e s s u r e, D r s. on average, to be lower for Lundman and BIomftrand the nonsmoking identical k said. twins, but these differen- ces were said not to be s t a t istically significant. High levels of cholesterol and other lipoids are ge- y y mp ca e . as nera - itig and an increasq in creasing' the risk of, coro- airway resistance. disease nar y s o c o t ll li d in I i Their study concluded that cigaret smoking does give rise to a significant increase in respiratory stem s hr f nic bronch- 16036 1Zf60 ?, THE WASHINGTON POST Tuesday, March 14, 1967 I