Can swishing oil in your mouth for 20 minutes a day really whiten your teeth, sweeten your breath, improve your skin and get rid of your migraines? More to the point, is it even possible to swish oil in your mouth for that long without gagging?
In the 1970s, author and social commentator Tom Wolfe joked that the first letter in PBS stood for petroleum, because oil money underwrote so much public broadcast programming. Wolfe had a point. One of the network's most acclaimed shows, Masterpiece (originally Masterpiece Theatre), got its start in 1971 thanks to a $490,000 grant from Mobil Oil.
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