Hey, Magnet Therapy Actually Does Something!

Magnetic therapy, long derailed as pseudoscience, has just gotten a boost from a biomedical study showing how magnets can reduce swelling... Performing high-quality magnet studies has been difficult, mainly because patients easily can test whether they are wearing a real magnet or a placebo simply by seeing if a paperclip sticks to it. Also, pain is subjective, so studies measuring pain reduction can be biased. As a result, according to NCCAM, the few magnet studies showing positive health effects have had major flaws.

Skalak, funded by NCCAM, took the novel approach of working with rats to determine changes in body function as a result of wearing static magnets or sham magnets. Smart as they might be, the rats did not seem to know the difference. He induced different kinds of swelling and noted that an external magnet with a strength of 700 gauss, 10 times stronger than a refrigerator magnet, reduced the type of swelling associated with bee stings or sprains.

The swelling reduction was strongest when the magnet was applied immediately. Skalak envisions sports trainers using magnetic wraps instead of ice packs.

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