http://www.healthsentinel.com/news.php?event=news_print_list_item&id=845
"Healthcare Professionals Ignore Vitamin D Deficiency Epidemic",
Medical News Today, May 23, 2005,
Link: http://www.medicalnewstoday.com/medicalnews.php?newsid=24941
Prominent scientists say that physicians and the government are
ignoring the evidence regarding vitamin D deficiency and this ignorance
is causing needless suffering and death among all groups, but
especially Blacks, the elderly and pregnant women. Numerous vitamin D
researchers across the country recently concluded that recommendations
given by 1997 The Food and Nutrition Board (FNB) actually put many
Americans at risk-- in particular Blacks, the aged and pregnant
women-rather than protected them.
However, many scientists are hesitant to openly criticize the powerful
National Academies of Science, which controls many researchers' grants
and which oversees the Institute of Medicine's Food and Nutrition Board
(FNB).
The vitamin D scientists quoted in this press release may not be happy
about it as we found their statements buried in scientific papers on
vitamin D. In 1997, the FNB made some progress by increasing vitamin D
recommendations to 200, 400 and 600 units, depending on age, but their
recommendations remain woefully inadequate.
In addition, the FNB made a serious error when they said 2,000 units a
day might be toxic and that caution reinforced physicians near
hysterical fear that vitamin D is highly toxic.
Scientists now know humans need at least 1,000 units a day for good
health and perhaps more in those deprived of sunlight. Potential
toxicity of vitamin D may start at 10,000 units a day (from all
sources) but is probably closer to 40,000 units a day according to Dr.
Vieth. Dr. Reinhold Vieth, a prominent vitamin D researcher in Toronto,
Canada, first drew attention to the FNB's error four years ago.
He attempted to dispel physician's unwarranted fears of vitamin D
toxicity in a scholarly and widely quoted 1999 paper in the American
Journal of Clinical Nutrition. Vieth stated that the IOM toxicity
threshold for vitamin D is "too low by at least 5-fold." "New
scientific evidence suggests that the recommended daily allowance (RDA)
for vitamin D should be much higher to achieve adequate nutritional
vitamin D status, especially in the African-American population because
of their pigmentation," adds Dr. Bruce Hollis of the Medical
University of South Carolina. Also contrary to the FNB's declaration,
Dr. Robert Heaney, a professor at Creighton University and an expert on
vitamin D and calcium metabolism, reported in 2003 that humans in fact
use between 3,000 and 5,000 units of vitamin D a day, amounts
physicians traditionally think are toxic. Professor Heaney recently
wrote that the FNB recommendations, "fall into a curious zone between
irrelevance and inadequacy."
Since the release of the FNB's recommendations in 1997, many have
assumed that vitamin D deficiency has been eliminated as a significant
problem, and that the strategies used to achieve this success served as
role models of successful public health interventions.
However, vitamin D deficiency was not eradicated; rather it has been
escalating among Americans, especially Blacks, pregnant women and the
elderly. It is associated with conditions such as osteoporosis,
hypertension, multiple sclerosis, diabetes and cancer of the colon,
prostrate, breast, ovary, bladder, uterus, esophagus, rectum, and
stomach, according to Dr. Michael Holick of Boston University, a full
professor in three separate disciplines. Dr. Holick, who has written
the relevant chapters in Harrison's Principles of Internal Medicine for
the last 15 years, says that an educational program is needed in order
to teach the public the importance of monitoring their vitamin D
(calcidiol) levels just as they would check their cholesterol levels.
"Vitamin D deficiency and its consequences are extremely subtle, but
have enormous implications for human health and disease. It is for this
reason that vitamin D deficiency continues to go unrecognized by a
majority of health care professionals," he says.
In spite of scientific data that Americans are at risk for numerous
diseases from vitamin D deficiency, the Food and Nutrition Board has
refused to act. In an attempt to present current research about the
prevalence of vitamin D deficiency and the diseases caused by those
deficiencies, the National Institute of Health is sponsoring a hastily
arranged conference in Bethesda, Maryland, on October 9 and 10, titled
"Vitamin D and Health in the 21st Century." For more information:
http://www.nichd.nih.gov/about/od/prip.
About vitamin D3 (cholecalciferol):
Vitamin D3, cholecalciferol, is a vital nutrient that is unique, both
in terms of its physiology and human reliance on both endogenous skin
production and exogenous sources to meet biological requirements.
Vitamin D3, made in the skin, is turned into calcidiol [(25(OH)D] by
the liver, which the kidney then turns into calcitriol [1,25(OH)D], a
steroid hormone, to regulate calcium in the blood.
This is the main endocrine function of vitamin D. Meanwhile, many
tissues other than the kidney turn calcidiol into calcitriol to help
regulate gene expression locally; this is the newly discovered
paracrine function of vitamin D. This paracrine function is impaired in
vitamin D deficient subjects and all studies show many Americans are
vitamin D deficient, especially Blacks and the aged. This use of
calcitriol by other tissues as a paracrine hormone is a relatively new
discovery that explains many of the health benefits of sunlight and
vitamin D such as possible prevention of diabetes, hypertension, heart
disease, autoimmune illness, various cancers and mental illness. These
non-classic benefits are also the reason the National Institute of
Health is sponsoring the conference mentioned above.
The single most important fact we all need to know about vitamin D is
that most humans make thousands of units of vitamin D in their skin
within minutes of whole-body, summer-sun exposure. This is many times
more units than recommended by the IOM. Therefore, many Americans
exceed the FNB's safety recommendations by simply spending a few
minutes outside in their swimming suits!
About The Cholecalciferol Council:
The Cholecalciferol Council is a group of citizens concerned about
vitamin D deficiency and the diseases associated with that deficiency.
The group will attempt to draw attention to the problem through the
education of professionals, the media, government officials and average
citizens. The Cholecalciferol Council has applied for tax-exempt,
non-profit [501(c)(3)] status as an educational organization under the
laws of California and the United States. The Executive Director of The
Cholecalciferol Council is John Jacob Cannell, MD, who has an activist
past concerning similar issues. Details of his background are available
on the Council's web site, cholecalciferol-council.com or via email at
[email hidden].
John Jacob Cannell, MD,
Executive Director Cholecalciferol Council
9100 San Gregorio Road Atascadero, CA 93422 (805) 462-8129
[email hidden]