Hiccups

I've hiccuped every day for the past 16 years. More than half my life! I went to see a chiropractor the other day, and she was talking about how all the muscles in your back are attached to your spine, including your diaphragm. I notice that I didn't hiccup for a few hours after my first appointment, and for more than a day after my second. I'm wondering if my hiccups have just been a symptom of my back problems! It'll be really interesting to see if they go away.