Re-piercing my nipples.

About 30 years ago, I had my nipples pierced. About 3 years ago. both being rejected. After years of wearing them they started getting infected. When I took the nipple rings out, I lost my sensitivity.
I want that wonderful sensation again. I'm considering re-piercing them, but then someone was telling that the scare tissue may be an issue. Who can help me with this?

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