Add Yahoo as a preferred source to see more of our stories on Google. How does purple toothpaste work? It uses color theory’s principle of complementary colors. Complementary colors are shades that ...

Chelsea Rae Bourgeois is a registered dietitian nutritionist with several years of experience working in the clinical setting. Once a track and field athlete on a competitive stage, she now finds joy ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Zoe Malin Reporter Choosing the right toothpaste is an ...

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When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. If you've been concerned about ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Zoe Malin Reporter Once your child’s first tooth comes in ...

When you hear wasabi, you probably think of sashimi or sushi. Maybe add toothpaste to that list as well? No, let’s not do that. This month, Japanese retailer Village Vanguard is rolling out ...

The first tooth is a major milestone. When that first pearly white cuts through, it’s usually a big relief to both parents and babies who’ve been enduring the pains of teething! But baby’s first teeth ...