Skip to main content
photo of Deirdre Tobias, ScD

Deirdre Tobias, ScD

Contributor

Deirdre Tobias is an obesity and nutritional epidemiologist at the Brigham and Women's Hospital and Harvard Medical School. She received her doctorate and postdoctorate training at the Harvard T.H. Chan School of Public Health, where she is also an associate professor of nutrition. Dr. Tobias was appointed the Academic Editor for the American Journal of Clinical Nutrition in 2019.

Her research focuses on the role of diet and lifestyle for obesity and its major chronic diseases, including diabetes, cardiovascular disease, and cancer, and she has been published in leading peer-reviewed journals including the New England Journal of Medicine and JAMA. She served on the scientific committee for the 2025–2030 US Dietary Guidelines for Americans. She contributes to the development and analyses of healthful dietary patterns, metabolomics, and nutrition epidemiologic methods.

Harvard Health Publishing Logo

Thanks for visiting. Don't miss your FREE 32-page gift worth $29.95.

PLUS, don’t miss out on your 25% off promo code.

Sign up to get tips for living a healthy lifestyle—You’ll discover powerful, research- backed strategies for health longevity drawn from Harvard Medical School experts—ways to eat for a longer life, build strength and flexibility to stay independent, protect your bones, heart, and brain as you age, and even cultivate the habits linked with “super-agers” who stay sharp and active well into their 80s and 90s—all delivered to your email box FREE.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of Living Longer, Living Well!.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of Living Longer, Living Well.