When dealing with stomach ulcers, it is important to limit intake of foods that can increase damage to the stomach's lining. These can include spicy foods and foods with high amounts of acid. It is important to reduce or eliminate these foods and also alcohol and caffeine, which can also do major damage.
If not for Gas forming foods, those that are not cooked well or not clean food preparations are what makes an upset stomach. Also there are some foods that don't go so well when eaten together in large amounts.
When you eat spicy foods, they often produce a lot of stomach acid. Stomach acid can give you a stomach ache.
Acid foods when reach stomach it increases the concentration of HCl produced inside stomach which in turn causes ulcers inside stomach.
Bread,
you can keep your stomach healthy by eating healthy foods
That depends on your stomach size and what foods you can tolerate better than others. I believe your question is on an individual basis.
Fatty and oily foods.
The stomach.
This is the stomach.
food
You can go to the bathroom or put a rag that is warm over you upset stomach.