Gas is a product of diet,A bad diet or even a diet high in certain fibers can cause Gas, or you may have a bacterial issue in the digestive tract, you can see a Gostroenerologist who can test for syomach bacteria like HPylori bacteria that is a nasty troublemaker that causes excess Air (Bloat) a premature full feeling by only
eating a little bit, other issues like
eating before going to bed, many people with low metabolism, that can be caused by thyroid disease or underactive thyroid, eat heavy