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Nutrition

The Nutrition Conference is moderated by Robert M. Russell, M.D., and Joel B. Mason, M.D.. Dr. Russell is Professor of Medicine and Nutrition at Tufts University School of Medicine. Dr. Mason is Associate Professor of Medicine and Nutrition and Acting Chief, Division of Clinical Nutrition, Tufts University.

This conference may include discussion of commercial products and services.

The opinions expressed herein are those of the authors and do not necessarily represent the views of the sponsor or its publisher. Please review complete prescribing information of specific drugs or combination of drugs, including indications, contraindications, warnings and adverse effects before administering pharmacologic therapy to patients.

Low Carb v. High Protein Diets: 2019 Update

Approximately two-thirds of Americans are now classified as overweight or obese. As obesity prevalence has increased throughout the society, clinical understanding of the nature of obesity has evolved: what was once thought of throughout the 20th century as a moral failing of overeating has since changed into a singular view of hormonal dysregulation (in particular defects in insulin sensitivity). Despite this paradigm shift from moral to physiologic understanding, outcomes have continued to worsen, suggesting that a single
Authors: Edward Saltzman, M.D., is Academic Dean for Education at the Friedman School of Nutrition Science and Policy, Associate Professor at the School of Medicine, and scientist at the Energy Metabolism Laboratory in the Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA.
Estimated Time: 1 Hour
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Robert M. Russell, M.D.

Nutrition

Dr. Robert M. Russell, Cyberounds® Nutrition co-moderator, is Professor Emeritus of Medicine and Nutrition at Tufts University School of Medicine; and past Director of the Jean Mayer USDA Human Nutrition Research Center on Aging. Dr. Russell received his B.S. from Harvard and his M.D. from Columbia. As a senior scientist at Jean Mayer, Dr. Russell's primary work involves studying the effects of aging on gastrointestinal absorptive function as well as retinoid/carotenoid metabolism. Rob has served on many national and international advisory boards, where he has focussed on international nutrition programs in several countries including: Vietnam, Iran, Iraq, Guatemala, China and the Philippines. Dr. Russell, who is a Staff Gastroenterologist at the New England Medical Center Hospitals, is the co-author of the standards for Parenteral and Enteral Nutrition to be used in long-term care facilities and serves on the editorial boards of five professional journals.

Within the past 12 months, Dr. Russell has been a consultant for Cantox Inc.

Joel B. Mason, M.D.

Nutrition

Dr. Joel B. Mason, M.D., Cyberounds® Nutrition co-moderator, received his bachelor's degree in general biology from the University of Illinois-Urbana in 1977, and his medical diploma from the University of Chicago Pritzker School of Medicine in 1981. He completed postdoctoral training at the University of Iowa and the University of Chicago Hospitals and Clinics and is triple-boarded (internal medicine, gastroenterology, clinical nutrition). Currently, Joel is an Associate Professor of Medicine and Nutrition and Director of Vitamins and Carcinogenesis Laboratory, U.S.D.A. Human Nutrition Research Center at Tufts University. He is also Staff Gastroenterologist at New England Medical Center.

Within the past 12 months, Dr. Mason reports no comercial conflict of interest.

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More Nutrition Courses

Vitamin D in Health and Disease

In the early twentieth century, McCollum and colleagues discovered that a component of cod liver oil could cure rickets in dogs. Following the pattern of naming vitamins A through C, this factor became known as vitamin D, the fourth vitamin discovered. Since its initial use in the treatment of bone disease, the potential therapeutic applications of vitamin D have broadened, as vitamin D receptors have been identified in numerous tissues and immune cells. Considered a miracle drug by
Authors: Malcolm D. Kearns, M.D., and Vin Tangpricha, M.D., Ph.D.
Estimated Time: 1 Hour
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Sports Nutrition for an Adult Female Endurance Athlete

The combined position of the American Dietetic Association (ADA), Dietitians of Canada and the American College of Sports Medicine (ACSM) states that physical performance and exercise recovery can be improved through quality nutrition. Active adults and athletes can improve their physical performance by making appropriate food and fluid intake choices with consideration of timing of intake. In this Cyberounds®, we review the current guidelines for sports nutrition with application to adults participating in moderate endurance events. Anna is a 5’
Authors: Lona Sandon, M.Ed., R.D.
Estimated Time: 1 Hour
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Current Management of Obesity

Approximately 110 million American adults are overweight. Sixty−six percent of Americans are either overweight or obese. If current trends continue, it has been estimated that nearly all American adults will be overweight or obese by 2030. The prevalence of childhood obesity and extreme obesity have increased dramatically. Even developing nations are seeing an increase in obesity and obesity−related complications, in part related to the adoption of a Western diet and exercise patterns. There are significant ethnic disparities in
Authors: Lawrence J. Cheskin, M.D., and Scott Kahan, M.D., M.P.H.
Estimated Time: 1 Hour
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Selenium: A Trace Element with Abundant Potential

A 55-year-old, previously healthy woman sought medical attention concerning a six-week history of diarrhea followed by progressive hair loss. The hair loss began two weeks after the onset of diarrhea and was first noted on her head in a diffuse, symmetrical distribution. Subsequently, the hair loss progressed to the axillae, genitalia and extremities. She also complained of generalized muscle cramps, joint pain, fatigue and difficulty with concentration. A recent evaluation by her primary medical provider revealed
Authors: Mark Sutter, M.D., and Jennifer Brown, M.D.
Estimated Time: 1 Hour
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Vitamin C and Human Nutrition

Vitamin C is essential for survival. Lack of vitamin C, or vitamin C deficiency, can cause scurvy, which is manifest by well-defined symptoms, including fatigue, poor wound healing, tissue degeneration and, ultimately, death. For centuries, vitamin C-containing diets were used to prevent, and sometimes to cure, scurvy, even though the nature of the nutritional component responsible was not known. Since its discovery as a cure for scurvy in 1930s, the therapeutic applications of vitamin C, both potential and realized, have been
Authors: Yi Li, B.Sc., and Herb E. Schellhorn, Ph.D.
Estimated Time: 1 Hour
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