Does your stomach get more sensitive as you age?

Now at 46 , I have noticed over the past years that my stomach has gotten more sensitive with age. Certain things that I could eat with no problem now give me stomach issues. Things like pizza, garlic, peppers, oatmeal, ground beef, tomatoe sauce, deep fried foods now give me an upset stomach. When I lay off these foods I feel fine. Has this happened to you too?

Does your stomach get more sensitive as you age?
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