The number of people with diabetes has nearly quadrupled since 1980 and the numbers grow year by year. According to the WHO, a large proportion of Type 2 diabetes can be prevented by a healthy diet, regular physical activity, maintaining a normal body weight and avoiding tobacco use. Prevalence of the condition has correspondingly grown in seafarer populations threatening their health and wellbeing. November 14 is World Diabetes Day and a reminder to check your risk factors and take preventive action.