Relationship of Amount of Cigarette Smoking to Coronary Heart Disease Mortality Rates

Seven out of 8 previous reports indicate a relationship between morbidity or mortality from coronary heart disease and amount of cigarette smoking. Data from 2 California study groups, longshoremen and respondents to a household sample health survey, are presented to show similar relationships. In 4 studies showing mortality, the coronary heart disease death rates for men, in various age groups from 40 to 70 years, who smoked