Scientists have found that keratin, the protein in hair and skin, can repair and protect tooth enamel. The material forms a mineralized layer that halts decay and restores strength, outperforming ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Plus, tips for teaching kids how to brush their teeth and ...

I’ve been covering lifestyle content for over seven years. How can you tell which are the best whitening products for sensitive teeth? One important measure is that they use a lower percentage of ...