The US humorist Christopher Morley once described the human body as “an ingenious assembly of portable plumbing”. He wasn’t wrong: from our cardiovascular and lymphatic systems to our guts and urinary ...

This study presents a useful inventory of genes that are up- and down-regulated in the mouse small intestine (duodenum and ileum) during the first postnatal month; the data were collected and analyzed ...

Women’s small intestines are longer than men’s, with this added length probably helping them to better absorb fat and other nutrients if needed for pregnancy and breastfeeding. “The small intestine is ...

Doctors discovered that a 23-year-old who was complaining of indigestion had a live, 3-centimeter roach in his gastrointestinal tract Cara Lynn Shultz is a writer-reporter at PEOPLE. Her work has ...