Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

Add Yahoo as a preferred source to see more of our stories on Google. Not enough of us regularly floss our teeth, and even fewer think about what’s in our dental floss. But maybe we should. A new ...

We all know that daily flossing is core to good oral hygiene. But did you know some dental flosses may be made with ingredients that pose risks to your health, or the planet’s? To help identify those ...

Czech scientists say they’ve developed the first probiotic dental nanofloss, releasing beneficial bacteria under the gums. I ...