
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
Harvard Health Experts and Contributors
List of Experts

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

Shauna Rice, BS
Contributor

James Richter, MD
Contributor

Eric Rimm, ScD
Editorial Advisory Board Member, Harvard Health Publishing

Eve Rittenberg, MD
Contributor

Paul Rizzoli, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Celeste Robb-Nicholson, MD
Contributor

Laura K. Rock, MD
Contributor

Dennis Rosen, MD
Assistant Professor of Pediatrics, Harvard Medical School

John Ross, MD, FIDSA
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Natalia S. Rost, MD, MPH, FAAN, FAHA
Contributor

Christian Ruff, MD, MPH
Contributor

Emily S. Ruiz, MD, MPH
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Elisabeth J. Ryan, JD, MPH
Guest Contributor

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