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Chelation therapy dr
1. 12/15/2014 Chelation Therapy Dr. Weil's Wellness Therapies
http://www.drweil.com/drw/u/ART03408/ChelationTherapy.html?print=1 1/2
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Chelation Therapy
What is chelation therapy?
Chelation (pronounced keyLAYshun) therapy is
treatment used in conventional medicine for removing
heavy metals (including mercury) from the blood. It
involves intravenous injections of a chelating agent,
EDTA (ethylene diamine tetraacetic acid), a synthetic
amino acid. EDTA binds to heavy metals and minerals
in the blood so that they can be excreted in the urine.
Another intravenous agent used by some physicians
for mercury detoxification is called DMPS (2,3
Dimercapto1propanesulfonic acid).
An oral chelating agent called Succimer
(Dimercaptosuccinic acid, also known as DMSA) is
FDAapproved for treatment of lead poisoning and is
used by some physicians to remove mercury from the
body. The drug combines with metals in the
bloodstream and then both the metals and the drug
are removed from the body by the kidneys and then
excreted. Common side effects include diarrhea, loose
stools, nausea and vomiting, poor appetite and skin
rash.
What is chelation therapy used for?
Chelation therapy is most often used to treat heavy metal poisoning. However because
EDTA can reduce the amount of calcium in the bloodstream, and because calcium is found
within the plaque that can line diseased blood vessels, some health practitioners claim
that chelation can be used to treat atherosclerosis (hardening of the arteries) by reopening
arteries clogged with plaque. They maintain that using chelation for this purpose is an
effective and less expensive alternative to coronary artery bypass surgery, angioplasty,
and other conventional medical treatments.
In addition, some of these practitioners claim that chelation therapy can successfully treat
such disorders as peripheral vascular disease, Alzheimer's disease, multiple sclerosis,
amyotrophic lateral sclerosis, autism and other serious medical problems. Some of these
practitioners use hair analysis or other scientifically unproven tests to diagnose
"poisoning" with lead, mercury or other heavy metals, but only rarely are the results to be
trusted.
The following theories have been advanced to support claims that chelation therapy
successfully treats heart disease and other disorders. None has been tested and proved
worthwhile by scientific studies:
1. EDTA chelation therapy might directly remove calcium found in fatty plaques that
block arteries, thus breaking up the plaques.
2. Chelation therapy may stimulate release of a hormone that in turn causes calcium
to be removed from plaques or causes a lowering of cholesterol levels.
3. Chelation therapy may reduce the damaging effects of oxygen ions (oxidative
stress) on the walls of the blood vessels, which could reduce inflammation in the
arteries and improve blood vessel function.
Despite the lack of scientific proof that chelation therapy can effectively treat problems
other than proven heavy metal poisoning, the 2007 National Health Interview Survey,
conducted by the Centers for Disease Control and Prevention, found that 111,000 adults
18 years of age and older used chelation therapy as a form of complementary or
alternative medicine in the previous 12 months.
What should one expect on a visit to a practitioner of chelation therapy?
The National Center for Complementary and Alternative Medicine (NCCAM) and the
National Heart, Lung and Blood Institute, both arms of the National Institutes of Health, are
completing a fiveyear study of chelation therapy as a treatment for heart disease. The