
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

Vikram Patel, MBBS, PhD
Contributor

Daniel Pendick
Former Executive Editor, Harvard Men's Health Watch

Numa Perez, MD
Contributor

Edward Phillips, MD
Contributor

Shiv Pillai, PhD, MBBS
Contributor

Srini Pillay, MD
Contributor

Jorge Plutzky, MD
Contributor

Melanie Pogach, MD
Contributor

Rani Polak, MD, Chef, MBA
Contributor

Martina Porter, MD
Editorial Advisory Board Member, Harvard Health Publishing

Heather Potts, PhD
Contributor

Anthony Prince, MD
Contributor

Mark Proctor, MD
Contributing Editor

Stuart Quan, MD
Contributing Editor

Loren Rabinowitz, MD
Contributor

David Ramsey, MD, PhD, MPH
Contributor

Vikram Rangan, MD
Contributor

John J. Ratey, MD
Contributor

Niyoti Reddy, MD
Contributor

Emily Reiff, MD
Contributor

William Renthal, MD, PhD
Contributor

Jenette Restivo
Health Writer; Assistant Director for Digital Content Creation and Engagement, Harvard Health Publishing

Kathryn Rexrode, MD, MPH
Contributor

Kathryn Rexrode, MD, MPH
Contributor

Hope Ricciotti, MD
Editor at Large, Harvard Women's Health Watch

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