Background The eruptions of Eyjafjallajökull (2010) and Grímsvötn (2011), Iceland, triggered immediate, international consideration of the respiratory health hazard of inhaling volcanic ash, and prompted the need to estimate the potential hazard posed ...

Background: To evaluate cancer incidence among licenced commercial pilots in association with cosmic radiation. Methods: Cohort study where ionizing radiation dose of cosmic radiation was estimated from airline data and software program and cancer ...