6) Abdominal Gas
In our stomach, specific cells produce pepsinogen. And, in contact with hydrochloric acid, it is transformed into pepsin, an enzyme that degrades proteins. In the pyloric antrum, they secrete gastric lipase, which acts on some lipids.
However, since lactase, which is responsible for processing milk sugar, is not found, that sugar is fermented by the gut microbiota. The warm and acidic environment of the intestine causes gases to be produced to a greater extent than estimated in a healthy digestive process.
