According to the Mayo Clinic website, the medical term for what is often called a mini-stroke is "transient ischemic attack, " and produces symptoms similar to a stroke but usually causes no permanent damage.

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In the late 1980s Floyd injected gerbils with a free-radical-trapping compound called phenylbutyl nitrone just before inducing a stroke.

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And that would, in a single stroke, address a significant portion of the concern about the so-called fiscal cliff.

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