Studying mice, researchers have found a way to prevent nonalcoholic fatty liver disease, the most common cause of chronic liver disease worldwide. Blocking a path that delivers dietary fructose to the liver prevented mice from developing the condition, according to investigators at Washington University School of Medicine in St. Louis. A transporter called GLUT8 (green) is in the outer membrane of liver cells. In mice, blocking GLUT8 stops fructose from entering the liver and protects against nonalcoholic fatty liver disease. The liver cell nuclei are shown in blue.