In the twenty-first century, much of the advancement in the knowledge of gastrointestinal disorders has continued to focus on the molecular underpinnings of gastrointestinal cancer. Molecularly targeted drugs have had a significant influence on the treatment of a variety of cancers.
In the complete examination of patients with suspected or established intestinal disease, biochemical testing plays a vital role. They are the most common tests used to monitor changes in gastric and intestinal function, as well as the nutritional status of those who have stomach and intestine disorders. Protein loss, altered motility, and immunological reactions are among the various characteristics of gastrointestinal diseases for which biochemical testing is used.
Digestion and absorption of ingested food and liquids are controlled by the gastrointestinal (GI) system. Because of the GI tract's intricacy and the large amount of material that may be included under the purview of GI physiology. There is abundant evidence that psychological and physical stressors have a significant influence in the onset and management of GI disorders.