Professor Arshad leads a group that investigates natural history, genetic and environmental risk factors and prevention of asthma and allergic disease. He is a clinical epidemiologist with expertise in birth cohort studies, clinical trials, and the immunological and genetic basis of asthma and allergy. His research is based within the Faculty of Medicine and at The David Hide Asthma and Allergy Research Centre on the Isle of Wight. The group includes both clinical and non-clinical scientists, clinical research fellows and nurses.