In a breakthrough discovery researchers have developed a smartphone app which identifies when the user is at risk for the disease. New methods for analysing personal health and lifestyle data captured through wearable devices or smartphone apps can help identify college students at risk of catching the flu say researchers at Duke University and the University of North Carolina-Chapel Hill. Read: Smartphone app helps diagnose obesity and depression Katherine Heller of North Carolina-Chapel Hill developed a model that enabled them to predict the spread of influenza from one person to the next over time. Heller said this approach gave a