Scientists at King's College London, UK, say they've successfully grown a human tooth in a lab for the first time.

Swimming in natural pools and playing in caves, Amanda Owen's youngest children are "feral" at the moment, she happily declares.

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While brushing your teeth is vital for preventing decay and gum disease, doing it at the wrong times could be causing damage.

While brushing your teeth is vital for preventing decay and gum disease, doing it at the wrong times could be causing damage.