Hey Jinx - where have you been? Good to hear from you. I know what you mean about the way the ridges run. See below.

SS: Yeah, thanks for reminding me - I looked it up too, and it refers to a footnote. The footnote says about Mees' lines that they are "White lines that run across them or, along them, or white spots."

So I guess they could be Mees' lines, but I kind of thought like Jinx that they are not. However, if you have a picture, maybe they are. Anyways, my on-line searching seems to say that these ridges running along the nail can be just normal aging. But mine did appear when I was getting sicker so who knows? I was wondering how many people on here have these lines? Kind of an indicator of mercury poisoning? Would want to know if anyone in their 20s has them, which would eliminate the aging theory.

Thanks for the replies....

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TW