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If I were to flip you the bird left-handed, which I sometimes do to mix things up, you’d notice that my middle finger is crooked, with a bulged knuckle. Why does it look like that? Catfish noodling.

If you’ve ever asked your dermatologist about removing signs of sun damage or improving fine lines on your skin, the two words “chemical peel” have probably come up. You might have even heard friends ...