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- <text id=93TT1479>
- <title>
- Apr. 19, 1993: Lower Pb = Higher IQ
- </title>
- <history>
- TIME--The Weekly Newsmagazine--1993
- Apr. 19, 1993 Los Angeles
- </history>
- <article>
- <source>Time Magazine</source>
- <hdr>
- THE WEEK, Page 23
- HEALTH & SCIENCE
- Lower Pb = Higher IQ
- </hdr>
- <body>
- <p>Researchers say cleansing kids of lead makes a difference
- </p>
- <p> Scientists have known for years that even modest amounts of
- lead in children's blood can result in nasty learning problems.
- What they didn't know was whether the damage was reversible once
- the lead was removed. Well, it certainly helps, according to a
- six-month study reported in the Journal of the American Medical
- Association. Researchers studied 154 children with moderate lead
- poisoning and found that when blood lead levels were reduced, IQ
- scores rose an average of three points.
- </p>
- <p> That's welcome news to the parents of 3 million American
- kids with lead poisoning. But getting the lead out is not easy.
- Some children endured a procedure called chelation, in which
- drugs that bind to the metal are administered intravenously;
- others took nutritional supplements. And any home with peeling
- lead paint--the most common cause of poisoning--had to
- undergo extensive repairs.
- </p>
-
- </body>
- </article>
- </text>
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