The Nature of Disease Molecular biologist Dr. Cheryl Lyn Walker will develop a new center focused on the intersection of genetics, environmental health and computational biology. Solving a 48-Year-Old Mystery New development will let researchers explore and develop procedures to prevent and treat norovirus infection. Image courtesy of CDC/Jessica A. Allen. Eye Strain Eye expert Dr. Zaina Al-Mohtaseb explains how to avoid 'computer vision syndrome.' Gold Medal Fuel An athlete’s healthy diet is the fuel athletes use to perform. Roberta Anding, registered dietitian and sports dietitian, explains. Skip The Food Fight Because packing a lunch is not always an option, our expert offers advice to parents on how to talk to kids about making healthy choices in the cafeteria line.