Wajahat Zafar Mehal PhD, MD

Associate Professor of Medicine (Digestive Diseases); Director of Yale Weight Loss Program

Departments & Organizations

Yale Medical Group

Office of Student ResearchTransplantation Center, Yale-New HavenInternal Medicine: Digestive Diseases: Hepatology: Viral Hepatitis Program, Yale Metabolic Health and Weight Loss ProgramDiscovery to Cure Internship


* B.A., University of Oxford, 1986
* B.M., University of Oxford, 1988
* M.D., University of Oxford, 1990
* Ph.D.,University of Oxford, 1993

* Transplant Hepatologist
* Director Yale Fibrosis Program
* Director HCV-SCAN at West Haven Medical center


  • B.A., University of Oxford , 1986
  • B.M., University of Oxford , 1988
  • M.D., University of Oxford , 1990
  • Ph.D., University of Oxford , 1993

Selected Publication

  • Lactate reduces liver and pancreatic injury in Toll-like receptor- and inflammasome-mediated inflammation via GPR81-mediated suppression of innate immunity. Hoque R, Farooq A, Ghani A, Gorelick F, Mehal WZ. Gastroenterology. 2014 Jun;146(7):1763-74. PMID: 24657625