National Library of Medicine at the National Institutes of Health
8600 Rockville Pike, Bethesda, MD 20894
Patricia Flatley Brennan, R.N., Ph.D.
Deputy Director, NLM
Director, Office of Communications and Public Liaison, NLM
Medical Illustrator and Informatics Fellow, NLM
Jeff Day, M.D.
Friends of the NLM officers
Glen P. Campbell
Barbara Redman, Ph.D., R.N.
Executive Committee Chairman
H. Kenneth Walker, M.D.
Naomi C. Broering, M.L.S., M.A.
Dennis Cryer, M.D.
NIH Medlineplus magazine is published by Friends of the NLM in conjunction with Stratcomm, Inc.
24 Superior Drive, Suite 103 Natick, Ma 01760 | (508) 907-7000
President and CEO
Chief Operating Officer
Director of Operations
Design & Technology Lead
Mary Ellen Slater
Strategic Planning and Logistics
Articles in this publication are written by professional journalists. All scientific and medical information is reviewed for accuracy by representatives of the national institutes of health. However, personal decisions regarding health, finance, exercise, and other matters should be made only after consultation with the reader’s physician or professional advisor. Opinions expressed herein are not necessarily those of the national library of medicine.