03/28/2008 05:12 am ET | Updated Nov 17, 2011

Popcorn Ingredient Causes Lung Disease: U.S. Study

A chemical used to give butter flavor to popcorn can damage the lungs and airways of mice, U.S. government experts reported on Thursday.

Tests on mice show that diacetyl, a component of artificial butter flavoring, can cause a condition known as lymphocytic bronchiolitis, said the team at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.

Read more on Reuters