Influence of smoking and snus on the prevalence and incidence of type 2 diabetes amongst men: the northern Sweden MONICA study

. Objective. To explore the effect of smoking and smokeless tobacco, ‘snus’, on the risk of type 2 diabetes. Design. Population‐based cross‐sectional and prospective follow‐up study in northern Sweden. Subjects. A total of 3384 men, aged 25–74 years, who participated in the MONICA study in 1986, 1990, 1994 or 1999, 1170 of whom had an oral glucose tolerance test. In 1999, 1757 men from previous cohorts returned for re‐examination. Main outcome...