
Extreme heat endangers older adults: What to know and do

Want to cool down? 14 ideas to try

What is a PSA test and how is it used?

Blood sugar–friendly fruits if you have diabetes

Gratitude enhances health, brings happiness — and may even lengthen lives

Respiratory health harms often follow flooding: Taking these steps can help

Could tea tree oil help treat acne or athlete’s foot?

Hemoglobin A1c (HbA1c): What to know if you have diabetes or prediabetes or are at risk for these conditions

What could be causing your blurry vision?

Avocado nutrition: Health benefits and easy recipes

Allan Walker, MD
Contributor
Dr. Allan Walker is a professor of pediatrics and the Conrad Taff Professor of Nutrition Emeritus at Harvard Medical School (HMS), and professor of nutrition at the Harvard T.H. Chan School of Public Health. He is the chairman of the division of nutrition and an investigator in the mucosal immunology and biology laboratory at the Massachusetts General Hospital for Children (MGHfC). He re-established nutrition as a discipline at Harvard Medical School, and now coordinates clinical and basic research projects in nutrition at HMS and its teaching hospitals. His research interests include defining the role of initial bacterial colonization in the development of intestinal host defense, and determining the protective effects of breastfeeding in the prevention of disease in neonates.
Posts by Allan Walker, MD

Allan Walker, MD
Supporting your newborn's health: Intestinal colonization after elective cesarean section

Allan Walker, MD
Microbiome: The first 1,000 days

Extreme heat endangers older adults: What to know and do

Want to cool down? 14 ideas to try

What is a PSA test and how is it used?

Blood sugar–friendly fruits if you have diabetes

Gratitude enhances health, brings happiness — and may even lengthen lives

Respiratory health harms often follow flooding: Taking these steps can help

Could tea tree oil help treat acne or athlete’s foot?

Hemoglobin A1c (HbA1c): What to know if you have diabetes or prediabetes or are at risk for these conditions

What could be causing your blurry vision?

Avocado nutrition: Health benefits and easy recipes