Harvard Health Experts and Contributors

Julia Loewenthal, MD

Contributor

Dr. Julia Loewenthal is a primary care physician at Lutanen Health, and assistant professor of medicine (part-time) at Harvard Medical School. She has a strong interest in longevity and healthy aging, with a focus on providing holistic, integrative medical care. Dr. Loewenthal received her medical degree at the University of Virginia. She completed her residency in internal medicine at Brigham and Women’s Hospital, followed by geriatric medicine and integrative medicine fellowships.

Victor A. Lopez-Carmen, MPH

Guest Contributor

Victor A. Lopez-Carmen, MPH, is a Dakota and Yaqui writer, health advocate, and student at Harvard Medical School. He is currently a member of Boston’s COVID-19 Health Inequities Task Force, and cochair of the UN Global Indigenous Youth Caucus. His commentary on minority health has been featured in the BBC, The Boston Globe, Teen Vogue, and the UN News Centre.

Kevin R. Loughlin, MD, MBA

Contributor

Kevin R. Loughlin, MD, MBA, received an AB from Princeton University, MD from New York Medical College, MBA from Boston University, and MA (honorary) from Harvard University. He practiced urology at Brigham and Women’s Hospital for 35 years, receiving an AUA research award while in training. He received the Alumni Medal of Honor from New York Medical College, the Lifetime Achievement Award from the New England Section of the AUA, and the Distinguished Service Award from the American Urological Association. He received the faculty teaching award on three occasions. He was a trustee of the American Board of Urology and a member of the board of directors of the American Urological Association. He has published over 250 articles in the medical literature, has been an author or editor of 12 books, and has served on multiple medical journal editorial boards.

Michael Lu, MD, MPH

Contributor

Dr. Michael T. Lu is an associate professor of radiology at Harvard Medical School, director of AI and co-director of the Massachusetts General Hospital (MGH) Cardiovascular Imaging Research Center, and director of the MGH Imaging Trials Center. His research focuses on clinical trials of cardiac computed tomography to improve health and machine learning to predict healthy outcomes from multimodal imaging. He earned his MD degree from Harvard Medical School and MPH from the Havard T.H. Chan School of Public Health. He completed his residency in diagnostic radiology at the University of California, San Francisco, followed by fellowships in thoracic and cardiac imaging at MGH.

David S. Ludwig, MD, PhD

Contributor

Dr. David Ludwig is an endocrinologist and researcher at Boston Children’s Hospital, professor of pediatrics at Harvard Medical School, and professor of nutrition at Harvard T.H. Chan School of Public Health. For more than 25 years, Dr. Ludwig has studied the effects of dietary composition on metabolism, body weight, and risk for chronic disease, with a special focus on low-carbohydrate and ketogenic diets. He has made seminal contributions to development of the “carbohydrate-insulin model,” an alternative perspective on the cause and treatment of obesity. Described as an “obesity warrior” by TIME, Dr. Ludwig has fought for fundamental policy changes to improve the food environment. He has authored more than 250 scientific articles, and presently serves as an editor at The American Journal of Clinical Nutrition. Dr. Ludwig is author of the #1 New York Times bestseller Always Hungry? Conquer Cravings, Retrain Your Fat Cells, and Lose Weight Permanently.

Jeanne Luongo, RD, MPH

Contributor

Jeanne Luongo is a registered dietitian at Beth Israel Deaconess Medical Center. She specializes in the management of weight loss, prediabetes, and cholesterol. Luongo is passionate about helping people improve their health and quality of life through behavior change, education, and support.

Jay Luthar, MD

Contributor

Dr. Jay Luthar is a Harvard-trained internist and part-time instructor of medicine at Harvard Medical School. Dr. Luthar is triple board-certified in internal medicine, integrative medicine, and lifestyle medicine.

Tien Ly, MD

Contributor

Dr. Tien Ly attended Tufts University School of Medicine, then completed a residency in obstetrics and gynecology at the Tufts/New England Medical Center in Boston, MA. She has been a member of the faculty of MGH for more than 20 years. Her clinical interests include abnormal Pap smears, abnormal vaginal bleeding, and obstetrics ultrasound.

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Harvard Health Experts and Contributors

List of Experts

Julia Loewenthal, MD

Victor A. Lopez-Carmen, MPH

Kevin R. Loughlin, MD, MBA

Michael Lu, MD, MPH

David S. Ludwig, MD, PhD

Jeanne Luongo, RD, MPH

Jay Luthar, MD

Tien Ly, MD