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 ...

Hydration and nutrition are often discussed as different subjects. In reality, they work together every day inside the digestive system. Image Credit: Laia Balart/Shutterstock.com What a person drinks ...

Your digestive system works harder to break down certain food combinations, creating metabolic heat that adds to your overall thermal load. Organizing meals based on how much digestive work they ...

Microbes supporting the production of more metabolic energy could be key to the evolution of large brains First study to show gut microbes from different animal species shape variations in their ...