Sulfur will tarnish silver, things like MSM are sulfur compounds and might
contribute to it.  Body acid may also.

Dan

On Sat, Sep 16, 2017 at 11:04 AM, Rowena <new...@internode.on.net> wrote:

> My friend with post infection chronic fatigue etc has found her silver
> earrings tarnishing lately, and wonders what might  be the cause of that.
> Is it likely any particular acid or other chemical in her body might be
> causing this.
>
> Rowena
>
>
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