Fast-walking "super-movers" may have sharper brains as they age
Healthy breakfast ideas to support energy and metabolism
Greek yogurt: Health benefits, protein content, and how to choose the best option
Harvard study: Early sweet-drink habits tied to high blood pressure later in life
How to save money on medication
The 5 pillars of longevity: Movement, nutrition, sleep, stress reduction, and social connection
Newly approved pill cuts LDL cholesterol levels by more than half
C-reactive protein: Should healthy people be tested for it?
PRP injection for knee osteoarthritis: Does it work?
Strength training over decades linked to longer life
Harvard Health Experts and Contributors
List of Experts
Nancy Keating, M.D., M.P.H.
Contributor
Alyson Kelley-Hedgepeth, MD
Contributor
John F. Kelly, PhD
Contributor
Sat Bir Singh Khalsa, Ph.D
Contributor
Adam Kibel, MD, MHCM
Editorial Advisory Board Member, Harvard Health Publishing
Laura Kiesel
Contributor
Hyun Jung Kim, MD
Contributor
Leo Kim, MD, PhD
Contributor
Davis Kimaiyo, MD
Contributor
George King, MD
Contributor
Daniel Kirshenbaum, MD
Contributor
Sarah Klein
Health Writer
Lauren Ko, MD, MEd
Contributor
Anthony L. Komaroff, MD
Editor in Chief, Harvard Health Letter; Editorial Advisory Board Member, Harvard Health Publishing
Megan A. Koster, MD, PharmD
Contributor; Editorial Advisory Board Member, Harvard Health Publishing
Parul Kothari, MD
Contributor
Arianne Shadi Kourosh, MD, MPH
Contributor
Suzanne Koven, MD, MFA
Contributor
Rebecca Kranz
Health Writer
Anna Krawisz, MD
Contributor
Lorrie Kubicek, MT-BC
Contributor
Daniel Kuritzkes, MD
Contributor
Daniela J. Lamas, MD
Contributor
Adam Landman, MD, MS, MIS, MHS
Contributor
Adaira I. Landry, MD, MEd
Contributor
Fast-walking "super-movers" may have sharper brains as they age
Healthy breakfast ideas to support energy and metabolism
Greek yogurt: Health benefits, protein content, and how to choose the best option
Harvard study: Early sweet-drink habits tied to high blood pressure later in life
How to save money on medication
The 5 pillars of longevity: Movement, nutrition, sleep, stress reduction, and social connection
Newly approved pill cuts LDL cholesterol levels by more than half
C-reactive protein: Should healthy people be tested for it?
PRP injection for knee osteoarthritis: Does it work?
Strength training over decades linked to longer life