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Question
There has been a lot of confusion
over the legitimacy of magnet therapy to relieve pain.
Do you have any suggestions on where to go to in order
to make an informed decision?
-- Beverly Strupp
Answer
Magnets have long been promoted as
treatment for a wide variety of disorders; everything
from pain to anxiety, cancer, heart disease, snoring,
and incontinence. Most of these claims are unproved,
and most of the magnets on the market – in forms
ranging from jewelry, belts and magnetic wraps for
various body parts to mattress pads – are unlikely
to do any good at all.
However, several studies suggest
that magnets may have something to offer for pain
relief. The one most often cited took place in 1997 at
Baylor College of Medicine in Houston and tested
whether magnets could help ease severe joint and
muscle pain due to post-polio syndrome. Results showed
that 76 percent of the patients treated with magnets
reported less pain compared to only 19 percent of
those who received placebo treatment.
Since then other studies have
produced encouraging, if not conclusive results. Among
them:
- University of Virginia
researchers reported in 2001 that while overall
results of
their study testing whether magnet therapy reduced
the intensity of pain from fibromyalgia were
inconclusive, some participants reported
clinically meaningful improvements.
- University of Tennessee research
showed that 60 percent of women with pelvic pain
reported improvements after three weeks of magnet
therapy compared to 33 percent of those treated
with placebos.
These results need to be confirmed
by further studies. Other research has failed to find
evidence that magnet therapy could ease chronic back
and neck pain or pain related to carpal tunnel
syndrome.
I’ve recommended trying magnetic
insoles for foot pain (plantar fasciitis); they seem
to work for some people. Using magnets is not without
risk, however, particularly if you have a pacemaker or
other implantable medical device such as a
defibrillator, insulin pump or liver infusion pump. We
have no proof that magnet therapy is safe during
pregnancy, and there have been anecdotal reports of
dizziness, nausea and prolongation of wound healing
and bleeding among those wearing magnets.
By
Andrew Weil, M.D.
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