When it comes to intestines, it sure seems like two are better than one. I asked my friend Franck Carbonero why that is. He’s a microbiologist at Washington State University. He studies the bacteria ...

The intestine is essential for life, and it is continuously exposed to foreign antigens and other environmental agents. Therefore, it comprises the largest compartment of the immune system, with ...

Although SARS-CoV-2 infections mainly attack the lungs, in many cases they can also damage other organs, such as the colon: about 60% of patients experienced digestive tract impacts. Researchers at ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Most of us have a ...

You may think of mucus as the slimy stuff you cough up when you're sick. But it can also show up at the other end: in your poop. Many parts of your body make mucus, including your intestines. It lines ...