You may understand the respiratory and digestive systems as separate entities but, in many ways, the two are intimately connected. For example, breathing provides oxygen to help your digestive tract ...

Elf on the Shelf VIPs surprise sisters amid Christmas flight delay Watch father and son share emotional hug after finally meeting Caregivers are in crisis. They told USA TODAY they want to see change.

Digestive enzymes are proteins in the body that help break food down. Some people with certain medical conditions might be unable to produce sufficient enzymes and require supplements. Digestive ...

Your gut runs on its own internal clock. Irregular meal timings can disrupt digestion, trigger bloating, worsen acid reflux and affect metabolic health. Walking stimulates the digestive system, ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...