Does the shape of the nose changes with age?

I'm 21 and i've been noticing for a while that my nose doesn't like it used to when I was about 16-17. It was smooth and turned-up, with a really nice shape, and now it has kind of a bump in the bridge and the part that is at the bottom, below the tip, is below the nostrils which it didn't use to be. Is it posible that this changes happened with age? Is there a way to solve it without surgery?

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