Scientists can have an inside look at the digestive system by studying very special cows. Follow a University of Idaho scientist as he explains how cows digest their food by opening a unique portal ...

The digestive system is the series of tubelike organs that convert our meals into body fuel. There are about 30 feet (9 ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

Many molecular, physiological and behavioural processes display distinct 24-hour rhythms that are directed by the circadian system. The master clock, located in the suprachiasmatic nucleus region of ...

The stomach is located in the upper part of the abdomen. The digestive organs in the abdomen work together to absorb nutrients and move food through the digestion process. They include the stomach, ...