A severe thunderstorm watch is in effect until midnight for much of eastern Nebraska, including Omaha. A tornado watch has been issued for Cass, Gage, Jefferson, Johnson, Lancaster, Nemaha, Otoe, Pawnee, Richardson, Saline and Seward counties until 10 p.m. Sunday.
An ingredient used to make artificial butter flavoring for popcorn has been linked to Alzheimer's Disease.
The ingredient, Diacetyl, is a chemical that's also been linked to respiratory problems in workers at microwave popcorn factories.
In test tube studies at the University of Minnesota, researchers found the chemical lead to an increase in clumps of Beta-Amyloid.
Beta-Amyloid is a protein and marker of Alzheimer's Disease in the brain.
The study results have not been shown in people.
