Health Report: Aug. 8, 1994


-- The amount of lead in Americans' blood has dropped dramatically in the past decade and a half, says the federal Centers for Disease Control. A shocking 78% of the population had elevated lead levels in the late 1970s; by the end & of the '80s, the number was just 4.3%. The primary reason: government regulations that banned leaded gasoline and lead-based solder.

-- Students who think nothing of pulling all-nighters, take note: experiments with both rats and humans have convinced researchers that people who get plenty of sleep are better at learning things. The brain evidently uses...

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