A new study from King's College London suggests that keratin—the protein found in human hair, skin and wool—can regenerate tooth enamel and potentially halt early tooth decay. Published in Advanced ...

Fluoride in toothpaste has been shown to strengthen tooth enamel, making our chompers more resistant to acids from plaque and bacteria that cause tooth decay. Researchers from King’s College London ...

Last month, luxury grocer Erewhon revealed its latest smoothie collaboration: a mint-and-green-tea potion called Mint Condition Smile, inspired by a tube of toothpaste. Made with coconut, chlorophyll, ...

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Morning all! And happy Friday! The A’s almost came away from the annual Winter Meetings without making any moves or additions, but just snuck in a deal with right-handed reliever Mark Leiter Jr.

For many retirees, their biggest fear isn’t just running out of money, it’s running out of money because the market crashed ...

Born into an aristocratic British family, he turned his empathy and knowledge of the world’s largest land mammals to the cause of saving them from poachers. Excerpt from “A Life Among Elephants,” ...

'Tis the season for holiday gift guides. You know, the ones that suggest 31 fish gifts for your fish-obsessed friends. They're everywhere this time of year, though nowhere quite as surprising as a ...

David Muir visits Rubirosa and tries the restaurant's famous pasta sauces. Oprah Winfrey is sharing her favorite things on "World News Tonight with David Muir" for the fifth year running, as part of ...

David Muir reports on small businesses in the U.S. creating products and jobs. For the 14th year running, ABC News' "World News Tonight" is spotlighting small businesses across the country that make ...