Attention-Deficit–Hyperactivity Disorder
To the Editor: In their review of attention-deficit–hyperactivity disorder (ADHD), Zametkin and Ernst (Jan. 7 issue) 1 acknowledged the eightfold rise in the use of stimulants in the United States over the past decade. They did not mention that the use of methylphenidate (Ritalin) in the United Stat...
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Published in | The New England journal of medicine Vol. 340; no. 22; pp. 1766 - 1767 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
United States
Massachusetts Medical Society
03.06.1999
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Subjects | |
Online Access | Get full text |
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Summary: | To the Editor:
In their review of attention-deficit–hyperactivity disorder (ADHD), Zametkin and Ernst (Jan. 7 issue)
1
acknowledged the eightfold rise in the use of stimulants in the United States over the past decade. They did not mention that the use of methylphenidate (Ritalin) in the United States accounts for 90 percent of the use worldwide.
2
In the United States, per capita use of methylphenidate varies sixfold among states.
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Within individual states, analyses based on ZIP Codes show 20-fold variations from one community to the next.
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Such large variations in the use of stimulants point to factors other than neurologic ones . . . |
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Bibliography: | SourceType-Other Sources-1 content type line 63 ObjectType-Correspondence-1 ObjectType-Commentary-2 |
ISSN: | 0028-4793 1533-4406 |
DOI: | 10.1056/NEJM199906033402216 |