The resulting semifluid paste—chyme—is sealed in the stomach by two ringlike sphincter muscles for several hours and then released in short bursts into the duodenum. The first of three ...

In 2021, Jessica Sheth Bhutada, MD, MS, and colleagues uncovered a startling 2% annual uptick in metastatic stomach cancer in young adults, despite declining rates in older adults. Three years ...

The ileum absorbs water, carbohydrates, proteins, fats, vitamins, and minerals from the stomach and the small intestine so those nutrients can be used by the body. The colon is the longest section ...