Seriously, you haven't noticed the changes in foods? I used to chew gum but I can't now as aspartame gives me a headache. Coca Cola stopped using sugar and it tastes very different. Went to a wedding reception and the punch was Hawaiian Punch and ginger ale. Major headache from the aspartame. This summer I bought an iced tea that left a bitter after tatse. Yup, high fructose corn syrup.
You need to pay attention to labels.