Bloating and gas after eating bread may indicate gluten intolerance or sensitivity. Coeliac illness is the most well-known kind of gluten intolerance, but it's becoming obvious that non-coeliac gluten sensitivity exists as well. Wheat contains two kinds of gluten, which are the main ingredients in flour. Gluten gives dough its strength and elasticity, so it makes sense that without it, baked goods would be useless. However, not everyone who eats gluten suffers effects; for those people who do experience problems, finding out what causes them to occur may help prevent further incidents. Those who suffer from coeliac disease can eat gluten, but it must be contained within certain limits or else serious health issues may arise. For example, someone with coeliac disease might have a reaction to the wheat in one slice of bread, yet be able to eat several slices of normal-looking bread without any problems at all. This person would then have difficulty maintaining his or her digestive system because the inflammation caused by the coeliac disease would be triggered off by the gluten, even if just in small amounts. Those who don't have coeliac disease but still find that they have problems with gluten may be sensitive to it.