Ashwagandha: Benefits, side effects, and safety concerns
Hearing aids: Types, costs, over-the-counter options, and AirPods
Meditation techniques: How to meditate for stress, sleep, and focus
Anti-inflammatory diet: Foods that help reduce chronic inflammation
Legumes: Are they good for your heart?
Atrial fibrillation symptoms: Why they're easy to miss
Treating peripheral artery disease: When might you need a procedure?
Exercising with low blood pressure: Advice and precautions
Fast-walking "super-movers" may have sharper brains as they age
Healthy breakfast ideas to support energy and metabolism
Harvard Health Experts and Contributors
List of Experts
Maneet Kaur, MD
Contributor
Dhruv Kazi, MD, MSc, MS
Contributor
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
Shaan S. Khurshid, MD, MPH
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
Ashwagandha: Benefits, side effects, and safety concerns
Hearing aids: Types, costs, over-the-counter options, and AirPods
Meditation techniques: How to meditate for stress, sleep, and focus
Anti-inflammatory diet: Foods that help reduce chronic inflammation
Legumes: Are they good for your heart?
Atrial fibrillation symptoms: Why they're easy to miss
Treating peripheral artery disease: When might you need a procedure?
Exercising with low blood pressure: Advice and precautions
Fast-walking "super-movers" may have sharper brains as they age
Healthy breakfast ideas to support energy and metabolism