Over the past 10 years, eight workers at a popcorn plant in the US town of Jasper, Missouri, have developed bronchiolitis obliterans, a rare lung disease that causes permanent damage to lung tissue.
Over the past 10 years, eight workers at a popcorn plant in the US town of Jasper, Missouri, have developed bronchiolitis obliterans, a rare lung disease that causes permanent damage to lung tissue.