This is a good article that I am printing verbatim. Taking vitamin D in a timely fashion will help to prevent a cold from taking hold.
This came from this website http://www.worldhealth.net/forum/thread/99358/vitamin-d-proven-more-effective-than-bo/?page=1
The risk of children suffering from flu can be reduced by 50% if
they take vitamin D, doctors in Japan have found. The finding has
implications for flu epidemics since vitamin D, which is naturally
produced by the human body when exposed to direct sunlight, has no
significant side effects, costs little and can be several times more
effective than anti-viral drugs or vaccines according to research in the
American Journal of Clinical Nutrition.
Only one in ten children, aged six to 15 years, taking the sunshine
vitamin in a clinical trial came down with flu compared with one in five
given a dummy tablet. Mitsuyoshi Urashima, the Japanese doctor who led
the trial, told The Times that vitamin D was more effective than
vaccines in preventing flu.
Vitamin D was found to be even more effective when the comparison
left out children who were already given extra vitamin D by their
parents, outside the trial. Taking the sunshine vitamin was then shown
to reduce the risk of flu to a third of what it would otherwise be.
Dr. Damien Downing, a doctor and medical consultant has publicly
stated that governments "do like" epidemics as a chance to impose their
will. The London based doctor has been advising patients to increase
their vitamin D intake rather than get the vaccine.
You might be shocked to know that there are many physicians in both
Canada and the United States who prescribe as much as 50,000 IU of
vitamin D daily as a treatment for a long list of chronic diseases.
Dr. John Cannell, MD, suggests high-dose vitamin D (50,000 IU) be
consumed for three days at the first sign of a cold or the flu. If you
have an infection, the truth is you need more vitamin D. That’s a given.
In other words, vitamin D acts as a natural antibiotic. It works
against every type of microbe (viruses, bacteria, fungi and parasites).
Vitamin D deficiency is common during the winter months, especially
in countries far north of the equator. Vitamin D acts as an immune
system modulator, preventing excessive production of inflammatory
cytokines and increasing macrophage (a type of white cell) activity.
Vitamin D also stimulates the production of potent anti-microbial
peptides in other white blood cells and in epithelial cells lining the
respiratory tract, protecting the lungs from infection.
50 Percent Reduction In Flu Infections Using Vitamin D
Altogether 354 children took part in the trial. Vitamin D was found
to protect against influenza A but not against the less common influenza
B.
The trial, which was double blind, randomised, and fully controlled
scientifically, was conducted by doctors and scientists from Jikei
University School of Medicine in Tokyo, Japan.
The children were given a daily dose of 1200 IUs (international
units) of vitamin D over a period of three months. In the first month
children in the group taking the vitamin became ill just as often as
those taking the dummy tablet. But by the second month, when the vitamin
level in the children’s blood was higher, the advantage of the vitamin
was clear.
The Japanese scientists, writing in the American Journal of Clinical
Nutrition, say that the anti-viral drugs zanamivir and oseltamivir
reduce risk of flu infection by 8 percent in children who have been
exposed to infection, compared with a 50 percent or greater reduction
with vitamin D.
Anti-virals are typically more effective than vaccines for the
influenza virus which suggests that both forms of medical intervention
would consistently fail in similar studies when pitted against vitamin
D.
Anti-virals are also too expensive, and possibly too toxic, to be
given to the population as a whole whereas vitamin D has additional
benefits. The sunshine vitamin not only prevents bone fractures but is
also believed to reduce risks of cancer, heart disease, diabetes and
other illness, including various bacterial as well as viral infections.
The Japanese finding supports a theory that low blood levels of the
sunshine vitamin occurring in winter explain why flu epidemics generally
peak between December and March.
Vitamin D activates the innate immune system, enabling the body to
produce several proteins such as defensin and cathelicidin which trigger
cell activity and disable viruses.
Dr John Oxford, professor of virology at Queen Mary School of
Medicine, London, said: “This is a timely study. It will be noticed by
scientists. It fits in with the seasonal pattern of flu. There is an
increasing background of solid science that makes the vitamin D story
credible. ”
Dose and Vitamin D Levels Are Critical
Researchers have recently pinpointed the mechanism behind vitamin
D3's ability to enhance the immune system and why it is so critical to
our health.
- Vitamin D is not a vitamin, but a steroid hormone precursor, which has profound effects on innate immunity.
- The amount of vitamin D in most food and nearly all multivitamins is literally inconsequential.
- The correct daily dose of vitamin D for adults is approximately
5,000 IU/day, not the 200 to 600 IU recommended by the Institute of
Medicine, the National Institutes of Medicine and the FDA.
- The only blood test to determine vitamin D adequacy is a
25-hydroxy-vitamin D, not the 1,25-di-hydroxy-vitamin D test many
physicians now order.
- Healthy vitamin D blood levels are between 70 and 90 ng/ml, levels obtained by fewer than 5% of Americans.
- The mechanism of action of vitamin D in infection, dramatically
increasing the body’s production of broad-spectrum natural antibiotics
(anti-microbial peptides or AMP), suggests pharmaceutical doses of
vitamin D (1,000 IU per pound of body weight per day for several days)
will effectively treat not only influenza and the common cold, but help
treat a host of other seasonal infections, including meningitis,
septicemia, and pneumonia, in both children and adults.
Sources:
ncbi.nlm.nih.gov
ajcn.nutrition.org
mydoctor.ca
timesonline.co.uk
Taking large doses of vitamin D at the first sign of cold plus large doses of vitamin C and zinc will help to prevent the virus from replicating.
Healthy life
Suzanne
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