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Why a Medical Nutrition Curriculum?
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Several important factors suggest that we are entering a window of opportunity
for introducing an innovative nutrition curriculum into medical schools.
The tremendous increase in consumer interest in the field has made it mandatory
that physicians be able to give their patients sound advice. Changes in
national and international priorities for health care that emphasize prevention
are giving nutrition a more important role in medical practice. At the
same time, many medical schools are revising their curricula to reflect
newer theories of education and to incorporate an ever-expanding base of
knowledge. All of these factors have convinced us we need a fresh approach
to medical nutrition education.
The physician is extremely influential in determining the priorities
for the American health care system. Industry, governmental agencies, and
consumers/patients look to the physician for guidance on how to treat diseases
and maintain health. The public is regularly presented with confusing,
and sometimes contradictory information about optimal nutrition. Four of
the ten leading causes of death in the US are diet-related conditions (diabetes,
heart disease, stroke, and cancer). Most Americans say they regard their
physician as their primary source for reliable nutrition advice, yet many
physicians are poorly trained in this area. The daily clinical practice
for most physicians includes numerous patients with nutrition-related problems.
The American public has begun to insist that health care costs be controlled;
to do this physicians must shift their focus from the treatment of diseases
to their prevention. The growing awareness of the importance of health
promotion and disease prevention will only increase the need for inclusion
of nutrition interventions in the physician's practice.
Nutrition education for medical students has often been delivered in
an unsystematic way by individuals without a comprehensive plan to teach
the broad set of nutrition-related skills needed to develop well-trained
physicians, physician-researchers, and physician-teachers. According to
the December, 1990 Journal of the American Medical Association, US physicians
were "widely believed to be poorly trained in human nutrition with
only a few medical schools offering formal nutrition training as part of
the required curriculum." In fact, the Association of American Medical
Colleges reports that, of 129 US medical schools, only 29 (23%) have a
required nutrition course. Thirty-two schools offer no formal nutrition
at all. Of medical students graduating in 1990, 64% perceived that their
nutrition training was inadequate. The American Society for Clinical Nutrition
and the American Academy of Family Physicians have recognized this deficit
and have established committees to develop recommendations.
Unfortunately, the very nature of committees dilutes responsibility
among many individuals, and despite significant efforts, a cohesive curriculum
in nutrition has not been developed for medical students. As a consequence,
physicians are not adequately trained to offer the public the advice about
nutrition that they need.
The federal government recently has developed comprehensive objectives
for health care providers. To meet the changes recommended in the Surgeon
General's Report on Nutrition and Health physicians need to receive improved
training in the role of diet in health promotion and disease prevention
and in the therapeutic aspects of nutrition intervention. The Public Health
Service's Year 2000 Objectives for the Nation advocates that the proportion
of primary care physicians who provide nutrition counseling and referral
to qualified nutrition specialists increase to >50% of the physician
pool. This report also calls for the provision and requirement of courses
in human nutrition for all medical and dental students. The National Nutrition
Monitoring and Related Research Act of October 1990 (section 302, Public
Law 1101-445/ HR1608) provides that, within the year, the Secretary of
the Department of Health and Human Services, in consultation with the secretaries
of Agriculture, Education, and Defense, and the
Director of the National Science Foundation must submit a report to Congress
describing how the federal government can ensure that students enrolled
in US medical schools and physicians in practice have access to adequate
training in the field of nutrition and its relationship to human health.
At the same time, ongoing changes within medical schools will enhance the importance
of nutrition training. The Robert Wood Johnson Foundation's Commission
on Medical Education issued a report in June 1992, which recognized
the need to revamp medical education. New curricular emphasis
on ambulatory care and prevention of diseases has required that
most schools re-examine how teaching time is divided. It is clear
that in the near future, there will be significant governmental
pressure on medical schools to incorporate more nutrition in their
curricula. Whereas a decade ago it was unlikely that the classical
department-teaching structure could be modified, in today's environment
most schools are considering significant revisions of their curricula.
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What is the Nutrition in Medicine® Curriculum?
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Nutrition in Medicine® is a package of teaching materials designed
to teach nutrition to medical students. The core of the package is a series
of multimedia interactive computer programs. Each program presents basic
nutrition science in the framework of a case study. Rather than covering
one traditional topic, e.g. vitamins, in each program, a number of issues
are used to teach the principles of nutrition and illustrate the interaction
of nutrition and disease. In addition to the biochemical basis of nutrition,
the programs cover nutritionally-related preventive health care. The case
study puts a strong emphasis on teaching nutrition assessment in the history
and physical.
At the start of the program, the students log in with an identification
number so that performance can be recorded. The student may return to the
program for several sessions, and the computer will indicate how much of
the material has already been completed. The opening menu also introduces
the student to the resources that are available at any time. These include
lists of nutrition assessment tools, diagnostic tests, nutrient requirements,
and functions and pathways; and a library of reference material. Next the
student is given a brief introduction to the case study.
Four of the ten
leading causes
of death in the US are diet-related conditions:
diabetes, heart disease,
stroke, and cancer.
After this introduction, the student enters the lesson sections. These
lessons cover a number of topics relevant to the case. For example, in
the "Nutritional Anemias" program the biochemistry section focuses
on vitamin B12, folic acid, and iron. The student must complete each module
before continuing with the case study. Throughout the lessons, the student is asked questions
to assess understanding of the material.
When the student has completed the first section, the program suggests
the user return to the case. The student then enters modules presenting
information relevant to the patient's problem and appropriate assessment
and treatment. In "Nutritional Anemias" for example, this includes
discussion of vitamin and mineral deficiencies and pernicious anemia.
At the end of the program the student is given an evaluation of performance
on the test questions. The student can print handouts pertaining to the
key concepts for each lesson. A measure of performance is available to
instructors who are using the program as a course requirement, via three
exams.
Nutrition in Medicine® is used in a number of ways. In some schools
it serves as a course pack for a required, pre-clinical nutrition course.
The computer programs provide the basic information each student is expected
to know upon completing the course. The faculty can expand on this foundation
in lecture or small group settings with material considered important at
their school. However, since few medical schools offer a required course
in nutrition, many Nutrition in Medicine modules are being integrated into
other pre-clinical courses and clinical experience. Supporting materials
provided with the computer programs help schools use the programs in different
settings and augment the instruction in the way most appropriate to their
own curriculum.
All materials developed for Nutrition in Medicine® are rigorously
evaluated for their effect on student learning, ease of use by students
and instructors, and accuracy and relevance of the content.
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Where did the Nutrition in Medicine®
Curriculum Begin?
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The Department of Nutrition at the University of North Carolina at Chapel
Hill is developing Nutrition in Medicine®. The University has made
a unique commitment to nutrition with the formation of a joint nutrition
department in the School of Medicine and the School of Public Health. The
Nutrition in Medicine® program is able to take advantage of the expertise
in clinical teaching, preventive health care, and epidemiology offered
by this department.
Testing of the materials is ongoing in the School of Medicine at the
University of North Carolina at Chapel Hill. A small group of medical schools
have been identified as sites for more extensive evaluation of Nutrition
in Medicine®. Currently, the curriculum is offered to any medical school
able to make the commitment of time and resources to integrate the material
into their own curriculum.
With the introduction of the new computer authoring languages, modification
of the computer programs will be quite simple. After all the computer programs
have been completed, the University of North Carolina will continue to
support the project by keeping the material up-to-date and acting as a
clearing house for information about the use of the programs at other schools.
Another advantage of the authoring languages is the ability to translate
the material into foreign languages or adapt it for use in other settings.
We hope to increase the funding for the project to allow development of
programs for use in Europe and South America. This approach to teaching
can also be used for continuing education of physicians, dietitians and
other health care professionals. If funding is available, we intend to
adapt our programs for this use.
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Who Developed the Curriculum?
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The development team consists of faculty and staff from the Department of Nutrition at the University
of North Carolina at Chapel Hill. The team, under the direction of Steven Zeisel, M.D., Ph.D., professor
and chairman of the Department of Nutrition, includes physicians, nutritionists, registered
dietitians, media specialists, and computer programmers. We also take advantage of the
expertise of specialists on the University of North Carolina faculty and on the Board of Advisors.
This Board is made up of nationally known educators in clinical nutrition. The Board meets annually
to evaluate the progress of the project and advise the Development Team on the content and implementation of the curriculum.
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Funding the Project
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In addition to support from the National Cancer Institute, NIH Office of Dietary Supplements, the United States Department of Agriculture and the University of North Carolina, we have received funding from several
industry sources including Clintec International, Quaker Oats Foundation,
Kellogg Company, The Dannon Institute, National Dairy Council, Wyeth-Ayerst Laboratories,
the National Cattlemen's Beef Association, Bristol-Myers Squibb, Baxter Healthcare Corporation, Central Soya, Inc., Egg Nutrition Board, the Gatorade Company, Nestlé Clinical Nutrition, New York Community Trust, Perrigo of South Carolina, Ross Products Division of Abbott Laboratories. The American Institute for Cancer Research has also provided support.
For more information about opportunities to help fund the Nutrition
in Medicine® project, contact: Steven H. Zeisel, M.D., Ph.D., Professor
and Chairman, Department of Nutrition, School of Public Health, School
of Medicine, 2212 McGavran-Greenberg Hall, University of North Carolina
at Chapel Hill, Chapel Hill, NC 27599-7400. Dr. Zeisel's telephone number
is (919) 966-7218; his fax number is (919) 966-7216; his electronic mail
address is steven_zeisel@unc.edu.
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When Will the Curriculum be Available?
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The following modules are currently available:
Nutritional Anemias
Nutrition and Stress
Nutrition and Cancer
Diet, Obesity and Cardiovascular Disease
Diabetes and Weight Management: Aberrations in Glucose Metabolism
Maternal and Infant Nutrition
Nutrition and Growth
Nutrition for the Second Half of Life
Dietary Supplements and Fortified Foods
*Sports Nutrition: Physical Activity and Health (expected release:
academic year 2003 - 2004)
Current funding permits us to complete one to two programs and
supporting materials each year over five years. With additional funding
we hope to accelerate production and expand to address additional topics(*).
Modules are distributed as they are completed. The entire curriculum is
planned to be available to schools by the year 2003.
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