1950s PSA helps demolish the myth of "Z-Rays"

Snake oil salesmen are as old as time itself — but so too are their detractors. Check out this 1950's public service announcement from the US Food and Drug Administration; Raymond Massey's message is as relevant today as it was over half a century ago.

And remember, people (especially you senior citizens): "There are NO Z-rays...Investigate before you invest in health services or products."

[Via boingboing]