Importance An increasing proportion of US smokers smoke at low intensity and not every
day. Some nondaily smokers have always had this pattern, whereas others previously …

Introduction Worldwide, an estimated 189 million adults smoke tobacco “occasionally” but
not every day. Yet few studies have examined the health risks of non-daily smoking …

Importance A growing proportion of US smokers now smoke fewer than 10 cigarettes per
day (CPD), and that proportion will likely rise in the future. The health effects of smoking only …

Introduction Smoking remains a strong risk factor for premature death. This study examines
the associations of nondaily smoking, daily smoking, and smoking cessation with the risks of …

Background Mortality among current smokers is 2 to 3 times as high as that among persons
who never smoked. Most of this excess mortality is believed to be explained by 21 common …

Importance Patterns of cigarette smoking and smoking cessation vary considerably across
demographic groups in the US, but there is limited evidence on whether the hazards of …

This study illuminates the association between cigarette smoking and adult mortality in the
contemporary United States. Recent studies have estimated smoking-attributable mortality …

Background Smoking cessation reduces mortality and morbidity. However, the extent and
rapidity at which cessation reduces contemporary death rates from smoking-related …

Background Extrapolation from studies in the 1980s suggests that smoking causes 25% of
deaths among women and men 35 to 69 years of age in the United States. Nationally …

Introduction Contemporary state-specific estimates of mortality caused by cigarette smoking
are important for tobacco control advocacy and healthcare planning in the US, but are …