I haven't had numbness, but I've had pain or a slight strained feeling in my second toe. This was happening when I was on my feet a lot at work on hard floors, and when I wore thick cushiony socks. I think the sock was slipping, and the toe was getting strained trying to grip as I was stepping. When I went to a more thinner and tighter fitting sock, it stopped happening. I rubbed Magnesium Oil on the problem toe and it helped with the discomfort.
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