Hyaluronic acid for skin: Benefits, how to use it, and side effects
Weight cycling linked to increased muscle loss
Self-directed cognitive behavioral therapy may help alleviate chronic pain
What men should know about proposed changes for testosterone therapy
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?
Treating peripheral artery disease: When might you need a procedure?
Harvard Health Experts and Contributors
List of Experts
Michaela Kane
Contributor
Tsuyoshi Kaneko, MD
Contributor
Sunil Kapur, MD
Contributor
Martin Kathrins, MD
Contributor
Jeffrey Katz, MD, MS
Contributor
Sabra L. Katz-Wise, PhD
Contributor
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
Hyaluronic acid for skin: Benefits, how to use it, and side effects
Weight cycling linked to increased muscle loss
Self-directed cognitive behavioral therapy may help alleviate chronic pain
What men should know about proposed changes for testosterone therapy
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?
Treating peripheral artery disease: When might you need a procedure?