Lifestyle and gastric function

The stomach has a range of functions, including chemical digestion and mechanical breakdown of food, temporary storage of bulk intake, and regulation of the passage of nutrients into the duodenum. Further gastric functions are the nonspecific defense against microbes entering the gastrointestinal tract, preparation of ions as well as liberation of protein-bound cobalamin and production of intrinsic factor for uptake further along the tract, and finally limited absorption of water, alcohol, and some fat-soluble food components including some drugs. These functions are influenced by various lifestyle factors, such as smoking and alcohol intake with interference by Helicobacter pylori colonization. This paper focuses on the interaction between lifestyle and gastric function.

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