40 years since the Fifth Doctor regenerated! We're celebrating in the most fiery way possible 🔥 | Doctor Who

Researchers in Japan are developing a new medication designed to stimulate the body to grow natural teeth again, potentially replacing the need for implants or dentures. The drug works by blocking a protein called USAG 1, which normally prevents new tooth formation. When this protein is suppressed, tooth growth is allowed to restart. Earlier studies in animals such as mice and ferrets showed successful tooth regeneration, leading scientists to begin testing the approach in humans. The first huma