I think about punching my coworker every time she chews

I admit that I am one of those people who cannot stand the sound of chewing. I recently started a new role where I share an office with another woman my age. I honestly do not feel I am being dramatic when I say she is the loudest chewer I have ever heard. I constantly am having to hear crunching, squishing, slurping, etc. Normally, I realize that I am the problem when it comes to my inability to tolerate chewing, but I genuinely think that she has a problem. I have started just putting AirPods in whenever she gets food out, but when there are moments that I can’t necessarily have them on, I genuinely think about punching her whenever I have to hear it. How do I politely tell her she has a chewing problem? Also, is there even a point if this is how she’s chewed her whole life? Am I the problem here?