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The benefits of vitamin supplements

Most people don’t need vitamin pills. But people who have specific health conditions, such as pregnancy, kidney disease, or digestion problems, may benefit from certain vitamin supplements. (Locked) More »

Should I worry about my fast pulse?

A normal pulse rate is between 60 and 100 beats per minute. Possible causes of an elevated pulse include fever, anemia, anxiety, or an overactive thyroid. Other possibilities include too much caffeine, decongestants, or being out of shape. (Locked) More »

Restructure your day to get a better night's sleep

Keeping an inconsistent sleep schedule can throw off one’s circadian rhythm, the body’s way of regulating sleep and waking. That can lead to insomnia. To re-establish circadian rhythms, one should wake up at the same time every day, and fill… More »

Interval training for a stronger heart

Interval training means alternating between short bursts of intense exercise and brief periods of rest or less-intense activity. Interval training builds cardiovascular fitness, although it does require exercisers to push their personal limit. Another benefit is being able to get… More »

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Meet the Harvard Health Experts

JoAnn E. Manson, MD, DrPH Featured Expert:

JoAnn E. Manson, MD, DrPH

Dr. JoAnn E. Manson is chief of the Division of Preventive Medicine and co-director of the Connors Center for Women's Health and Gender Biology at Brigham and Women's Hospital and the Michael and Lee Bell Professor of Women's Health at Harvard Medical School.

Dr. Manson's research has focused on several important areas: women's health, randomized clinical trials in cardiovascular disease prevention, biomarker studies, and translational research. She is the principal investigator on several grants from the National Institutes of Health, including the Vitamin D and Omega-3 Trial (VITAL), the Women's Health Initiative Vanguard Clinical Center at Brigham and Women's Hospital, the Women's Antioxidant and Folic Acid Cardiovascular Trial, and the Biochemical and Genetic Risk Factors for CVD in Women, among others. She is also leading the largest research trial to date to investigate the heart health benefits of cocoa flavanols by administering the concentrated nutrients in capsule form.

Dr. Manson has received numerous awards and honors, including the Woman in Science Award from the American Medical Women's Association, the Population Research Prize and the Distinguished Scientist Award from the American Heart Association, and has been elected to the Institute of Medicine of the National Academies. She was also one of the physicians featured in the National Library of Medicine's exhibition, "History of American Women Physicians" in Bethesda, Maryland. She is a Past President of the North American Menopause Society.

Isaac Schiff, MD

Isaac Schiff, MD

Dr. Isaac Schiff is chief of the Department of Obstetrics, Gynecology, and Reproductive Biology at Massachusetts General Hospital and the Joe Vincent Meigs Professor of Gynecology at Harvard Medical School. Dr. Schiff graduated from McGill Medical School and did his residency in obstetrics and gynecology as well as a fellowship in reproductive endocrinology at the Boston Hospital for Women (now Brigham and Women's Hospital). He was Director of the Division of Reproductive Endocrinology at Brigham and Women's Hospital before moving to Massachusetts General Hospital. At MGH he was responsible for initiating the obstetrics program, the in-vitro fertility program, and the division of urogynecology.

Dr. Schiff is one of the founding trustees of the North American Menopause Society and has served as Editor-in-Chief of its journal Menopause since its inception. Dr. Schiff is also Chairman of the Medical Advisory Board of Pause, a consumer journal of the American College of Obstetricians and Gynecologists.

He is also a winner of Harvard Medical School's Dean's Award for the support and advancement of women faculty.

JoAnn E. Manson, MD, DrPH

JoAnn E. Manson, MD, DrPH

Dr. JoAnn E. Manson is chief of the Division of Preventive Medicine and co-director of the Connors Center for Women's Health and Gender Biology at Brigham and Women's Hospital and the Michael and Lee Bell Professor of Women's Health at Harvard Medical School.

Dr. Manson's research has focused on several important areas: women's health, randomized clinical trials in cardiovascular disease prevention, biomarker studies, and translational research. She is the principal investigator on several grants from the National Institutes of Health, including the Vitamin D and Omega-3 Trial (VITAL), the Women's Health Initiative Vanguard Clinical Center at Brigham and Women's Hospital, the Women's Antioxidant and Folic Acid Cardiovascular Trial, and the Biochemical and Genetic Risk Factors for CVD in Women, among others. She is also leading the largest research trial to date to investigate the heart health benefits of cocoa flavanols by administering the concentrated nutrients in capsule form.

Dr. Manson has received numerous awards and honors, including the Woman in Science Award from the American Medical Women's Association, the Population Research Prize and the Distinguished Scientist Award from the American Heart Association, and has been elected to the Institute of Medicine of the National Academies. She was also one of the physicians featured in the National Library of Medicine's exhibition, "History of American Women Physicians" in Bethesda, Maryland. She is a Past President of the North American Menopause Society.

Karen Carlson, MD

Karen Carlson, MD

Dr. Karen Carlson is Director of Women's Health Associates at Massachusetts General Hospital and Associate Professor of Medicine at Harvard Medical School. Her areas of interest include hysterectomy and alternative treatments for nonmalignant gynecologic conditions, ovarian cancer screening, breast cancer prevention and screening, and communication issues in the doctor-patient relationship. She is co-editor of a medical textbook, Primary Care of Women, and a comprehensive book on women's health, The Harvard Guide to Women's Health.

Kenneth Arndt, MD

Kenneth Arndt, MD

Dr. Kenneth Arndt is a dermatologist in the Boston area and Clinical Professor of Dermatology (emeritus) at Harvard Medical School. Dr. Arndt has had a strong impact on the practice and perception of dermatology, both nationally and internationally.

A fourth generation Californian, he attended the University of California at Berkeley and earned his medical degree at Yale University School of Medicine. He trained in dermatology at the Massachusetts General Hospital and the Department of Dermatology at Harvard Medical School.

In addition to his affiliation with Harvard Medical School, Dr. Arndt is Adjunct Professor of Medicine (Dermatology) at Dartmouth Medical School, Adjunct Professor of Dermatology at Brown Medical School, and the president of SkinCare Physicians in Boston. He was Dermatologist-in-Chief at the Beth Israel Deaconess Medical Center for over two decades.

The Kenneth A. Arndt Professorship in Dermatology was established at Harvard Medical School in 2000 "in recognition of Dr. Arndt's many contributions to the field." The current and all future chairs of the Department of Dermatology at the Beth Israel Deaconess Medical Center carry the title of the Kenneth A. Arndt Professor.

Dr. Arndt has broad clinical and research interests, particularly regarding medical therapeutics and laser photomedicine. He is the author or editor of over 15 books and 300 scientific publications, and has been course director of many national and international meetings. He served as editor in chief of the Archives of Dermatology for two decades.