LIVING IN FLIGHT: JORDAN X LEVI'S Artist Julian Gaines on the evolving denim canvas. WAVEY DADA Wavey Dada skates his J's in New York City. SEASON OF HER 10 unique colorways for her to kick off the season.
Mad cow disease, or bovine spongiform encephalopathy (BSE), is a transmissible, slowly progressive, degenerative, and fatal disease affecting the central nervous system of adult cattle. The U.S. Department of Agriculture (USDA) has tested hundreds of thousands of cattle for BSE.
What Is Mad Cow Disease? BSE (bovine spongiform encephalopathy) is an interesting disease from a medical standpoint because of the causative agent, prions (pronounced pree-ons). A prion is an infectious protein that is similar to a virus, but it's not a virus.