Tian-Shin Yeh
Visiting Scientist
Nutrition, Harvard T.H. Chan School of Public Health
Departments
Department of Nutrition
Biography
Tian-Shin Yeh, MD, MMSc, PhD, is an Attending Physician, Nutritional Epidemiologist, and Associate Professor in the School of Medicine, College of Medicine, Taipei Medical University.
She is a board-certified physician in Physical Medicine and Rehabilitation (PM&R) in Taiwan and holds a Master of Medical Science (MMSc) from National Taiwan University. She earned her PhD in Clinical Epidemiology from the Harvard T.H. Chan School of Public Health (2016–2020), where she trained under the mentorship of Professor Deborah Blacker.
Following graduation, Dr. Yeh completed a postdoctoral fellowship in the Harvard–Oxford Program in Epidemiology with Professors David J. Hunter and Walter C. Willett (June 2021 – June 2022), and an earlier postdoctoral fellowship in the Department of Nutrition at Harvard (June 2020 – May 2021), working with Professors Alberto Ascherio, Marc Weisskopf, and Walter C. Willett.
Her research focuses on how diet and other modifiable risk factors influence neurodegenerative diseases, particularly dementia, as well as broader determinants of healthy aging.
Editorial:
-Editorial on dairy and dementia published in Neurology (Neurology, Dec 2025): High-Fat Dairy and Cognitive Health What Are the Alternatives?
-Editorial on processed meat and dementia published in The American Journal of Clinical Nutrition: To meat or not to meat? Processed meat and risk of dementia
Media:
2025/12 Dairy & Dementia:
-The New York Times: A Study Linked Cheese to Lower Dementia Risk. Is That Too Good to Be True?
-CNN: Does high-fat dairy prevent dementia? Not so fast, experts say
-US News & World Report: High-Fat Cheese, Cream Might Protect Brain Against Dementia
--------------------------------------------------------------------
Dietary Flavonoids & & Cognitive Decline:
- The Times (UK): Eat smart! The best foods to boost your brain health
- BBC: Why eating colourful food is good for you
- Harvard Health: Can flavonoids help fend off forgetfulness?
- US News & World Report: Want to Avoid Dementia? Add Some Color to Your Plate
- CNN: Eating foods high in flavonoids could slow down cognitive decline, a study says
- The New York Times: Can Fruits and Vegetables Boost Brain Health?
-------------------------------------------------------------------
Herpes Zoster & Cognitive Decline:
-The Associated Press: Shingles is awful, but here's another reason to get vaccinated: It may fight dementia
-CBS News: Brigham and Women's study finds link between shingles and risk of cognitive decline
Education and Training
-
PhD, Clinical Epidemiology (Program in Population Health Sciences)
Harvard T.H. Chan School of Public Health -
Postdoctoral Fellow, Department of Nutrition
Harvard T.H. Chan School of Public Health -
Postdoctoral Fellow, Harvard-Oxford Program in Epidemiology
Harvard T.H. Chan School of Public Health -
Resident Physician, Physical Medicine & Rehabilitation (PM&R) Physician
National Taiwan University Hospital -
Chief Resident, Physical Medicine & Rehabilitation (PM&R) Physician
National Taiwan University Hospital -
Attending Physician, Board Certified Physical Medicine & Rehabilitation (PM&R) Physician
National Taiwan University Hospital