Michelle T. Long MD, MSc

Voluntary Associate Professor, Preventive Medicine & Epidemiology

Voluntary Associate Professor, Gastroenterology

85 E. Concord St | (617) 638-8392
Michelle Long

Preventive Medicine & Epidemiology



Framingham Heart Study

Boston Nutrition Obesity Research Center

Evans Center for Interdisciplinary Biomedical Research


Michelle T. Long, MD, MSc is a physician-scientist with an expertise in Nonalcoholic fatty liver disease (NAFLD), and an Associate Professor of Medicine at Boston University. She completed her clinical training at Massachusetts General Hospital and Boston Medical Center. Dr. Long is the Director of the NAFLD Research Center and the Director of Clinical Research for the Section of Gastroenterology and Hepatology. Her clinical and research interests center on the relationship between NAFLD and cardiovascular disease. Dr. Long is primarily interested in patient-oriented research investigating fibrosis and inflammation in patients with NAFLD and in imaging and risk stratification strategies for hepatic fibrosis. Dr. Long has projects at Boston Medical Center and at the Framingham Heart Study where she is the PI of a study evaluating the prevalence and risk factors for liver fat (steatosis) and fibrosis. In Framingham, she is investigating the clinical and genetic correlates of hepatic steatosis and fibrosis as measured by transient elastography. Dr. Long receives research funding from the NIH (NIDDK), Doris Duke Charitable Foundation, Gilead Sciences, Echosens Corporation, and Boston University. She has expertise in epidemiology, visceral fat, liver imaging including computed tomography, ultrasound, and transient elastography. Dr. Long is also a clinical hepatologist and endoscopist.

Dr. Long is additionally interested in novel therapeutics for NAFLD and Non-alcoholic steatohepatitis (NASH) and runs the clinical trials program for the NAFLD Research Center.

Her other research interests include alcohol-related liver disease, hepatitis C, outcomes in end-stage liver disease/cirrhosis.


Medicine-Internal, MD, Tufts University School of Medicine, 2009

Epidemiology, MSc, Boston University School of Public Health, 2019

Neuroscience/Neurology, BA, Middlebury College, 2004


Published on 5/1/2023

Stine JG, Long MT, Corey KE, Sallis RE, Allen AM, Armstrong MJ, Conroy DE, Cuthbertson DJ, Duarte-Rojo A, Hallsworth K, Hickman IJ, Kappus MR, Keating SE, Pugh CJA, Rotman Y, Simon TL, Vilar-Gomez E, Wong VW, Schmitz KH. Physical Activity and Nonalcoholic Fatty Liver Disease: A Roundtable Statement from the American College of Sports Medicine. Med Sci Sports Exerc. 2023 May 01. PMID: 37126039.

Published on 4/12/2023

Wong WJ, Emdin C, Bick AG, Zekavat SM, Niroula A, Pirruccello JP, Dichtel L, Griffin G, Uddin MM, Gibson CJ, Kovalcik V, Lin AE, McConkey ME, Vromman A, Sellar RS, Kim PG, Agrawal M, Weinstock J, Long MT, Yu B, Banerjee R, Nicholls RC, Dennis A, Kelly M, Loh PR, McCarroll S, Boerwinkle E, Vasan RS, Jaiswal S, Johnson AD, Chung RT, Corey K, Levy D, Ballantyne C, Ebert BL, Natarajan P. Clonal haematopoiesis and risk of chronic liver disease. Nature. 2023 Apr; 616(7958):747-754. PMID: 37046084.

Published on 4/4/2023

Gao V, Long MT, Singh SR, Kim Y, Zhang X, Rogers G, Jacques PF, Levy D, Ma J. A Healthy Diet is Associated with a Lower Risk of Hepatic Fibrosis. J Nutr. 2023 May; 153(5):1587-1596. PMID: 37023964.

Published on 3/30/2023

Stine JG, Long MT, Corey KE, Sallis RE, Allen AM, Armstrong MJ, Conroy DE, Cuthbertson DJ, Duarte-Rojo A, Hallsworth K, Hickman IJ, Kappus MR, Keating SE, Pugh CJA, Rotman Y, Simon TG, Vilar-Gomez E, Wong VW, Schmitz KH. American College of Sports Medicine (ACSM) International Multidisciplinary Roundtable report on physical activity and nonalcoholic fatty liver disease. Hepatol Commun. 2023 Apr 01; 7(4). PMID: 36995998.

Published on 3/18/2023

Ahmed HS, Long MT. Reply: The associations between hepatic steatosis and incident cardiovascular disease and all-cause mortality. Hepatology. 2023 Mar 18. PMID: 36932718.

Published on 3/16/2023

Ajmera V, Wang N, Xu H, Liu CT, Long MT. Longitudinal association between overweight years, polygenic risk and NAFLD, significant fibrosis and cirrhosis. Aliment Pharmacol Ther. 2023 May; 57(10):1143-1150. PMID: 36924053.

Published on 1/19/2023

Ahmed HS, Wang N, Carr JJ, Ding J, Terry JG, VanWagner LB, Hou L, Huo Y, Palmisano J, Zheng Y, Benjamin EJ, Long MT. The association between hepatic steatosis and incident cardiovascular disease, cancer, and all-cause mortality in a US multicohort study. Hepatology. 2023 Jun 01; 77(6):2063-2072. PMID: 36651168.

Published on 1/7/2023

Xu X, Alanaeme J, Wen Y, Colantonio LD, Muntner P, Long MT. Real-World Implications of the American Gastroenterology Association Nonalcoholic Fatty Liver Disease Clinical Care Pathway in the US Adult Population. Gastroenterology. 2023 Apr; 164(4):688-689.e4. PMID: 36623777.

Published on 12/8/2022

Rice BA, Naimi TS, Long MT. Nonheavy Alcohol Use Associates With Liver Fibrosis and Nonalcoholic Steatohepatitis in the Framingham Heart Study. Clin Gastroenterol Hepatol. 2022 Dec 08. PMID: 36503167.

Published on 11/13/2022

Long MT, Noureddin M, Lim JK. Reply. Gastroenterology. 2023 Mar; 164(3):503. PMID: 36379247.

View full list of 82 publications.