Dr. Gagan Sood's primary research focuses on clinical aspects of liver disease, viral hepatitis, portal hypertension and outcome based research in cirrhosis and liver transplantation. His area of main interest is non-alcoholic fatty liver disease (NAFLD/ NASH). He is particularly interested in studying spectrum of NAFLD in different ethnic groups, with focus on genetic and metabolic differences in Hispanic population. Dr. Sood is also interested in iron overload in patient with liver disease including patients with NAFLD. Studies are currently being conducted on non-HFE related genetic markers in patients with primary and secondary iron overload. He is also involved in clinical trials of new anti viral therapies in patients with hepatitis C.