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How stretching keeps your joints moving

Your range of motion — how far you can move a joint in various directions — is determined by many things, starting with the inner workings of the joints involved. Also important is the amount of tension in the muscles… More »

The 4 best ways to maintain your brain

Some studies suggest that engaging in regular aerobic exercise, eating a Mediterranean diet, maintaining social connectedness, and undertaking challenges reduce the risk of dementia. Joining clinical trials can help provide better information.

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Meet the Harvard Health Experts

Anthony Komaroff, MD Featured Expert:

Anthony Komaroff, MD

Anthony Komaroff is the Steven P. Simcox/Patrick A. Clifford/James H. Higby Professor of Medicine at Harvard Medical School, Senior Physician at Brigham and Women’s Hospital in Boston, and Editor-in-Chief of Harvard Health Publications. He was Director of the Division of General Medicine and Primary Care at Brigham and Women’s Hospital for 15 years and is the Founding Editor of Journal Watch, a summary medical information newsletter for physicians published by the Massachusetts Medical Society/New England Journal of Medicine.

A practicing physician, Dr. Komaroff also teaches courses on clinical medicine and clinical research methods at Harvard Medical School. He has served as an advisory board member for the Department of Health and Human Services, the U.S. Centers for Disease Control and Prevention, and for the Institute of Medicine of the National Academy of Sciences. He is the author of over 200 journal articles and book chapters and of one book. In recognition of his accomplishments, Dr. Komaroff has been elected as a Fellow of the American College of Physicians and of the American Association for the Advancement of Science.

Patrick J. Skerrett

Patrick J. Skerrett

Patrick Skerrett is editor of the Harvard Health blog and Executive Editor of Harvard Health Publications. Before that, he was editor of the Harvard Heart Letter for ten years. Before joining HHP, Pat was senior editor for the Division of Preventive Medicine at Brigham and Women’s Hospital/Harvard Medical School and senior news editor for HealthNews. He is the co-author of Eat, Drink, and Be Healthy: The Harvard Guide to Healthy Eating, The Fertility Diet, and several other books on health and science. His work has appeared in Newsweek, Popular Science magazine, Science magazine, the Boston Globe, and elsewhere. He earned a B.A. in biology from Northwestern University and an M.A. in biology from Washington University in St. Louis.

Gad A. Marshall, MD

Gad A. Marshall, MD

Dr. Gad A. Marshall is a behavioral neurologist at Brigham and Women's Hospital and Massachusetts General Hospital and Assistant Professor of Neurology at Harvard Medical School. He has been the site principal investigator for multiple clinical trials of amyloid-modifying drugs in Alzheimer’s disease and is currently the site principal investigator for the Alzheimer’s Disease Neuroimaging Initiative study. His research has focused on clinical correlates of activities of daily living and neuropsychiatric symptoms with cortical atrophy, in vivo amyloid deposition, cerebrospinal fluid biomarkers, and synaptic integrity in clinically normal elderly, mild cognitive impairment, and mild Alzheimer's disease dementia. Most recently, he has been developing a new performance-based and subjective scale of activities of daily living that will detect the earliest functional deficits at the stage of preclinical Alzheimer’s disease.

Donald T. Reilly, MD, PhD

Donald T. Reilly, MD, PhD

Dr. Donald T. Reilly is an orthopedic surgeon at New England Baptist Hospital and Assistant Clinical Professor of Medicine at Harvard Medical School. A prolific speaker, he has been invited to lecture internationally. Dr. Reilly has written a number of articles which have been published in numerous journals including the Journal of Bone and Joint Surgery.

After earning his medical degree and Ph.D. in bioengineering from Case Western Reserve University School of Medicine, Dr. Reilly completed his internship at Beth Israel Deaconess Medical Center followed by The Harvard Combined Orthopedic Residency.

Dr. Reilly's clinical interests include the hip, knee, and adult joint reconstruction.

I-Min Lee, ScD, MBBS

I-Min Lee, ScD, MBBS

Dr. I-Min Lee is Professor of Medicine at Harvard Medical School and Professor of Epidemiology at the Harvard School of Public Health. Her research primarily focuses on the role of physical activity in preventing chronic diseases and enhancing longevity, and in women’s health. She has served on various national expert panels addressing physical activity and health, including the 1996 Surgeon General’s Report on Physical Activity and Health, the 2007 updated recommendation for adults from the American College of Sports Medicine and the American Heart Association, and the 2011 position stand from the American College of Sports Medicine. She served on the Physical Activity Guidelines Advisory Committee, writing the scientific report on which the 2008 US Department of Health and Human Services physical activity guidelines — the first comprehensive physical activity guidelines by the US federal government for Americans — are based. She has also provided her expertise to international panels formulating physical activity recommendations, including those from the WHO, Canada and Singapore.