A major new study has found that clearing a tooth infection with root canal treatment doesn’t just save your tooth — it may also improve blood sugar, inflammation, and long-term health. Here’s what the findings mean for you, and why early dental care matters more than most people realise.

Smoking and vaping don’t affect your mouth in the same way — and neither is harmless. In this guide, we compare their impact on gum health, enamel, staining, and long-term risks so you can understand what’s really going on inside your mouth.