Wild but true: While most of us are vigilant about disinfecting the germiest items in our homes and squirt on hand sanitizer countless times a day, we're actually made of mostly bacteria ourselves.

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. Our bodies rely on ...

Chelsea Debret is an author, freelance content writer, and bookseller. Her work has appeared in... Chelsea Debret is an author, freelance content writer, and bookseller. Her work has appeared in ...

Add Yahoo as a preferred source to see more of our stories on Google. Probiotics-those helpful little bacteria that live in your gut-are on almost every dietitian's list of recommended daily ...

The bacteria in your body outnumber your body’s cells 10 to one. Most of these bacteria reside in your gut, and the majority are quite harmless. Having the right gut bacteria is linked to numerous ...

Probiotics are emerging tools used by neonatal intensive care units to promote healthy outcomes and prevent intestinal diseases such as necrotizing enterocolitis. Approximately one in ten of the ...

Probiotics are a popular topic in health and wellness, but what exactly are they? Probiotics are beneficial microorganisms that provide health advantages to the host when consumed in sufficient ...