One of my sons, who is six, has a lot of food allergies. He is allergic to a lot of processed foods, so we've largely cut them out of our diets. No bags of cookies, (
no oreos!) No chips other than the most basic tortilla chips, no sodapop or fruitjuices (he's allergic to orange juice, and some food colorings deemed 'natural' in fruit juices) and he's also allergic to things we have yet to discover.
So, we bake from scratch. We cut out corn syrup except once a week we may have some on pancakes (but I made and canned a lot of fruit syrups and jams from fruit grown on our own property; mulberry, strawberry, blueberry, blackberry, and I do buy maple syrup when I can afford it) We don't drink soda-pop except Hanson's natural sugar sodas if they have no cornsyrup or colors. Many other foods we once enjoyed we cut out or strictly limit.
No canned soups, no ordered-out pizza (we make our own, and with 8 kids that means making enough bread dough for 4 extra large pizzas - about 16 cups of flour) We make our own ice cream if we can't afford a very basic all natural ice cream. I make our own hot chocolate mix, pancake mix, biscuit mix etc Its more work, but actually less expensive to go back to basics anyway. I just have to plan better, which hasn't excited me, but hasn't killed me either.
Interestingly enough, my husband and I have both lost weight without doing anything else. None of us starve, none of us feel deprived (except where the oreos are concerned. I DO miss those)
And we have not cut out fats, really. We fry our own frenchfries, we make our own sauces and gravies since there is no more canned soup to hurry that along. We eat a LOT of peanutbutter. But cutting out a lot of the corn syrup and some, but not all, hydrogenated fats and baking from scratch (and with 8 kids, we make huge batches of cookies cakes and brownies!) we've lost weight. I now weight about 140 lbs, which is healthy for my size. My husband has lost about 25 lbs and has about another 50 to go, but he is making slow but sure progress.
It has been a blessing in disguise. What I thought was an awful thing to have to deal with has actually made us healthier and hasn't meant eating food that tastes like cardboard and woodshavings.
edited because my smilie wasn't smiling!