August 6/St. Paul, Minn./HealthDay News -- Chronic exposure to an artificial butter flavoring ingredient, known as diacetyl, may worsen the harmful effects of a protein in the brain linked to Alzheimer's disease, according to a new study.
The findings should serve as a red flag for factory workers with significant exposure to the food-flavoring ingredient, researchers from the University of Minnesota said in the report published in a recent issue of the journal Chemical Research in Toxicology.