
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

Swimming lessons save lives: What parents should know

Preventing and treating iliotibial (IT) band syndrome: Tips for pain-free movement
Harvard Health Experts and Contributors
List of Experts

David J. Einstein, MD
Contributor

Todd Ellerin, MD
Contributor

Rachel Reiff Ellis
Health Writer

Lauren Elson, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Lawrence Epstein, MD
Contributor

Christopher Estiverne, MD
Contributor

Huma Farid, MD
Contributor

Susan Farrell, MD
Contributing Editor

Alessio Fasano, MD
Contributor

Jeremy Samuel Faust, MD, MS
Contributor

Sara Fazio, MD, FACP
Contributing Editor

Laura C. Fine, MD
Contributor

Jennifer Fisher, MMSc, PA-C
Health Writer

Naomi D. L. Fisher, MD
Contributor

Angela Fitch, MD
Contributor


Tamara Fong, MD, PhD
Contributor

Christina Frank
Health Writer

Richard Frank, PhD
Contributor

Elizabeth Pegg Frates, MD, FACLM, DipABLM
Contributor

Gregory Fricchione, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Lawrence S. Friedman, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Julia Frueh, MD
Guest Contributor

Teresa Fung, MS, RD, ScD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Robert Gabbay, MD, PhD, FACP
Contributor

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

Swimming lessons save lives: What parents should know

Preventing and treating iliotibial (IT) band syndrome: Tips for pain-free movement