Wajahat Zafar Mehal PhD, MD

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

Departments & Organizations

Yale Medical GroupTransplantation Center, Yale-New HavenInternal Medicine: Digestive Diseases: Hepatology: Viral Hepatitis Program, Yale Metabolic Health and Weight Loss ProgramDiscovery to Cure Internship

Research Interests

Non-alcoholic hepatitis, Sterile inflammation; Liver fibrosis; Liver immunology more...


  • 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 Publications

  • 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
  • The Gordian Knot of dysbiosis, obesity and NAFLD. Mehal WZ. Nat Rev Gastroenterol Hepatol. 2013 Nov;10(11):637-44. Review. PMID: 23958600
  • Who is the scientist in bio-medical research, the author or the reviewer? Mehal WZ. Front Pharmacol. 2014 Mar 26;5:50. PMID:24723888



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