A new study from the University of Oulu suggests that gut bacteria may send different biological signals in Parkinson's ...

A new light-based treatment targets a major gum disease bacterium while leaving helpful mouth bacteria largely untouched. In ...

Bacteria that cause intestinal infections typically avoid a stinky chemical—one that can kill them at high enough concentrations—inside human intestines, but they may actually swim toward it when a ...

Bacteria in the gut have been implicated in autoimmune diseases, like lupus, that don't primarily affect the gastrointestinal system. But how those bacteria affect the human immune system remains ...

Your mouth is one of the most diverse habitats in the human body. It contains over 700 known species of bacteria, as well as yeasts, viruses and some protozoa. This community is collectively referred ...

Share on Pinterest Good gut bacteria turned bad may predict heart disease risk, a new study suggests. Design by MNT; Photography by Fiordaliso/Getty Images & STEVE GSCHMEISSNER/SCIENCE PHOTO ...

Explainer - A young woman died of it last month, and more cases are popping up. What exactly is meningococcal disease?

A common gut-derived molecule may influence processes linked to dementia. Researchers found that its levels tracked with several signs of Alzheimer’s disease. Credit: Stock Gut bacteria produce a ...

A new kit, LymeAlert, tells you in minutes whether ticks carry the bacterium that causes Lyme disease.

A debilitating hoof disease affecting elk herds across the Pacific Northwest appears to be driven not by a single pathogen but by multiple bacterial species working together, according to a study led ...

The average hot water is a relatively simple appliance to understand. It uses gas or electricity to dump energy into water in ...