
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

Understanding hormone therapy for menopausal symptoms

What could be causing your blurry vision?
Harvard Health Experts and Contributors
List of Experts

Jonathan Nadler, MD
Contributor

Uma Naidoo, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

James Naples, MD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Pushpa Narayanaswami, MD, FAAN
Contributor

Janelle Nassim, MD
Contributor

David M. Nathan, MD
Editorial Advisory Board Member, Harvard Health Publishing

Neera Nathan, MD, MSHS
Contributor

Judy Nee, MD
Contributor

Sara Neill, MD, MPH
Contributor

Justin Neiman
Contributor

Leo Newhouse, LICSW
Contributor

Jeremy Nobel, MD, MPH
Contributor

Megan Noe, MD, MPH, MSCE
Former Editorial Advisory Board Member, Harvard Health Publishing

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

Understanding hormone therapy for menopausal symptoms

What could be causing your blurry vision?