Big Picture Science – Skeptic Seth: Daniel Armistead / Whitening Toothpaste

by Gary Niederhoff on August 17, 2015

Brushing_Teeth Skeptic Seth – Whitening Toothpaste
click to listen (TRT 2:48)

Part 1 of Skeptic Check: Skeptic Seth, featuring Daniel Armistead, Seth’s actual dentist from Palo Alto, California, explaining why “whitening” toothpaste may not do what it says it does.

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