A few mammals, including rabbits, have teeth that grow throughout their lives
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Rabbits’ teeth grow continuously, a process that may be made possible by the calcium they get from ingesting tooth fragments when grinding food.
High-fiber diets cause rabbits to constantly chew and grind their teeth, which wears them down quickly. Regrowth requires calcium, so for years, researchers believed that rabbits needed to consume a high-calcium diet.
But now Jean-Michel Hatt At the University of Zurich in Switzerland…
