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Is whitening your teeth bad for you?

What's That Rash?

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Some people might be naturally blessed with pearly whites, but many people aren’t happy with the shade of their teeth.

There’s nothing inherently unhealthy about yellower teeth, and staining happens throughout our lives.

Norman and Tegan unpack the long history of teeth whitening (with everything from urine to nitric acid) and discuss where there’s potential for harm.

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