Is it true that toothpaste can treat pimples? Toothpaste is being touted on social media as a hack to clear acne, soothe burns and whiten fingernails. But dermatologists say products intended for ...

The goal of brushing one’s teeth is to have fresh breath and prevent cavities. But the effect of toothpaste on the complex ecosystem of bacteria in our mouths — the oral microbiome — is often ...