Nicotine by itself is colourless, but when it combines with oxygen, it turns yellow and leaves stubborn traces on the teeth.

"This tells us that estrogen supplementation improves oral health in older women and allows them to keep their teeth longer, therefore improving their overall quality of life," she noted. The ...

Sure, you’ve probably heard that smoking stains teeth, but did you know it can also lead to gum disease, tooth loss, and even ...

This happens because smoking causes inflammation around the teeth and increases your risk for bacterial infections. The gums may become swollen and bleed (gingivitis) and eventually begin to pull ...

Your dentist can determine if you need one. 3. Grinding your teeth 4. Biting your nails 5. Drinking without a straw 6. Using your teeth as tools 7. Smoking Insider's takeaway Read next ...

The acidity can dissolve minerals in the teeth and lead to decay. Smoking or using smokeless tobacco (such as chewed tobacco or snuff pouches) is linked to oral cancer. Nicotine is also known to ...