(PALM BEACH POST) — Zombies seem to be everywhere these days.

In the popular TV series “The Walking Dead,” humans struggle to escape from a pack of zombies hungry for flesh. Prank alerts have warned of a zombie apocalypse on radio stations in a handful of states. And across the country, zombie wannabes in tattered clothes occasionally fill local parks, gurgling moans of the undead.

Are these just unhealthy obsessions with death and decay? To Clemson University professor Sarah Lauro, the phenomenon isn’t harmful or a random fad, but part of a historical trend that mirrors a level of cultural dissatisfaction and economic upheaval.

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