Add Yahoo as a preferred source to see more of our stories on Google. Two teeth from a man who lived approximately 4,000 years ago have been discovered to have an abundance of bacteria that primarily ...

Plague is usually tied to medieval Europe, black death, crowded cities, and mass mortality that reshaped entire societies. A ...

New research shows that 'hacking' the communication channels between microbes in the mouth could boost levels of beneficial bacteria – a strategy that could potentially reduce the risk of tooth decay ...

Not only do the motorized machines better clean plaque, bacteria, and debris, but they can also save you hundreds of dollars ...

Brush your teeth after every meal. Floss regularly. And be sure to keep your teeth nicely coated with a film of genetically engineered bacteria. That's the advice dentists might offer if scientists ...

A common mouth and gut bacteria may be linked to a higher risk of stroke, found a new study. The findings may pave the way for rapid tests to calculate stroke risk alongside preventative measures. The ...

(CNN) — Two teeth from a man who lived approximately 4,000 years ago have been discovered to have an abundance of bacteria that primarily cause tooth decay and gum disease. The rare find could help ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two teeth from a ...