Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

Anyone who has ever had a tooth crack or break knows the sinking feeling that follows because it almost certainly means an urgent trip to the dentist. While the enamel on your teeth is the hardest ...

Tooth enamel is the hardest substance in the human body, yet once damaged, it cannot regenerate naturally. To overcome this ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. "Enamel is the hardest tissue in the body, but unlike bone or skin, it ...

A team of scientists in London may have found a way to repair tooth enamel using an ingredient found in an unexpected place: human hair. Researchers at King’s College London experimented with keratin, ...

Add Yahoo as a preferred source to see more of our stories on Google. STORY: Researchers in London have developed a dental treatment using keratin, a protein found in hair, skin, and wool, that they ...

Few things ruin a day faster than a toothache — the dull, persistent pain that reminds you of how fragile enamel really is. Cavities, fillings, and endless dental appointments have long been part of ...

Adults could one day grow their own replacement teeth instead of having fillings—as scientists make a key discovery. This research offers a potential way to repair teeth and a natural dental treatment ...

The next major innovation in dental care just might be a new ingredient added to our toothpaste and mouthwash from an unlikely source: sheep’s wool or human hair. Both contain the fibrous protein ...

Human tooth regrowth trials are underway in Japan, raising hopes that missing teeth could one day grow back naturally.