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 ...

The stomach is not the only one digesting lunch — so are microbes. Every time someone eats, an entire ecosystem inside their gut gets to work, breaking down food, absorbing nutrients and boosting the ...

Xuanhe Zhao is a professor of mechanical engineering and civil and environmental engineering at Massachusetts Institute of Technology, Cambridge, USA. On a sunny day in April, one of us (C.W.) jogged ...

We have trillions of body clocks — a central one in the brain and others in each cell of our body. Here's how they work with light to control our health. When you purchase through links on our site, ...

Now, a $30 million gift to Harvard University from philanthropist Lisa Yang is propelling these efforts by establishing the K ...

Taste receptors have been found far beyond the tongue, but do they help perceive taste or work like the ones in our mouths? When you purchase through links on our site, we may earn an affiliate ...

If you get enough back aches, someone will eventually tell you that’s where your body stores stress. If your stomach hurts, you’ll hear the same thing: Your emotions are trapped in your belly. But ...