I'm so glad we've advanced our advertising and consumer knowledge beyond what these ads from yesteryear...

I'm so glad we've advanced our advertising and consumer knowledge beyond what these ads from yesteryear display. No one will ever be able to look back on our era with disdain at our ignorant behavior. Right?

In our podcast “100 Ways to Fight Obesity,” Steve Levitt and David Laibson discuss the possibility of using tapeworms to fight weight gain. (Seriously.) That prompted a reader named Scott Genevish to send us a real-seeming (?) old advertisement for “Sanitized Tapeworms, Jar Packed” (below).

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