Reusable water bottles can help you stay hydrated, but experts say not cleaning your water bottle regularly can expose you to some potentially harmful bacteria. Channel 9’s Erika Jackson met with ...

New research led by New York scientists reveals that oral health doesn’t just protect your teeth—it may play a critical role in preventing one of the deadliest cancers.

Scientists are uncovering a surprising way to influence bacteria—not by killing them, but by changing how they communicate.

A woman's quest for extreme cleanliness led to a dangerous infection. Her routine use of intimate washes stripped away ...

A new study conducted by the U.S. Food and Drug Administration found potentially harmful bacteria in sealed, sterile-labeled bottles of tattoo and permanent makeup ink. “In light of our study results, ...

Cavity-causing bacteria also use dietary sugars to make a sticky layer called a biofilm that acts like a fortress attached to ...

If gut bacteria are too similar to the protective layer of nerves, they can misdirect the immune system and cause it to ...

The goal of brushing one’s teeth is to have fresh breath and prevent cavities. But the effect of toothpaste on the complex ecosystem of bacteria in our mouths — the oral microbiome — is often ...

The bacteria can cause foodborne illnesses including vomiting, fever, diarrhea and nausea Kimberlee Speakman is a digital writer at PEOPLE. She has been working at PEOPLE since 2022. She has also ...