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Lactose and food intolerance

Campbell, Anthony K. and Matthews, Stephanie B. 2026. Lactose and food intolerance. Lammert, Eckhard and Zeeb, Martin, eds. Metabolism of Human Diseases: Organ Physiology and Pathophysiology (2nd Ed.), Cham: Springer Nature Switzerland, pp. 163-171. (10.1007/978-3-031-96019-2_19)

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Abstract

Lactose, the sugar in milk, and other foods not fully digested or absorbed in the small intestine are metabolized by bacteria and Archaea in the large intestine producing hydrogen, methane and metabolic toxins resulting in gut and systemic symptoms. Diagnosis of lactose and food intolerance requires identification of clinical symptoms, a DNA test, and measurement of breath hydrogen and methane. Similar symptoms are also caused by FODMAPS (fermentable oligosaccharides, disaccharides, monosaccharides, polyols) and Coronavirus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), responsible for the coronavirus disease 2019 (COVID-19) pandemic.

Item Type: Book Section
Date Type: Publication
Status: Published
Schools: Schools > Pharmacy
Publisher: Springer Nature Switzerland
ISBN: 9783031960185
Last Modified: 09 Feb 2026 12:02
URI: https://orca.cardiff.ac.uk/id/eprint/184536

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