Do Q-ray magnetic bracelets ever have to be replaced? Do they lose their effectiveness over time?

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  • JLI
    Lv 7
    7 years ago
    Favorite Answer

    They don't really have any effectiveness beyond placebo effect against real diseases. Controlled trials are unable to demonstrate any effect of static magnets. See for instance this study: http://jama.ama-assn.org/content/290/11/1474.full....

    And here is a summary of a more recent study: http://www.archives-pmr.org/article/S0003-9993%281...

    So if you think they look cool, there is no reason to replace them.

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  • RAY G
    Lv 7
    7 years ago

    > Do Q-ray magnetic bracelets ever have to be replaced?

    No.

    > Do they lose their effectiveness over time?

    No - it's impossible to lose something that wasn't there to start with.

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  • Matt
    Lv 7
    7 years ago

    They have zero effect on anything, except to make the arm you wear them on slightly heavier. Asking if they lose effectiveness is like asking if your imaginary pony will die if you don't give it food and water.

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  • april
    Lv 7
    7 years ago

    Do you have cancer?

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