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document
Effects of nutritional supplementation on IQ and certain other variables associated with Down syndrome . In a double-blind study , 24 Down syndrome children , ages 6 to 17 years living at home , were given a megadose multi-vitamin/mineral supplement for 4 months . A matched group of 23 children received a placebo in identical form . The children 's IQ , vision , and visual-motor integration were tested before and after supplementation , and weekly checks were made to monitor behavioral changes . No differences were found on any measures as a result of supplementation .
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Intervention_Pharmacological
nutritional supplementation
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Intervention_Pharmacological
megadose multi-vitamin/mineral supplement
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Intervention_Control
placebo
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Outcome_Other
Effects
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Outcome_Mental
IQ
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Outcome_Mental
IQ
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Outcome_Physical
vision
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Outcome_Physical
visual-motor integration
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Participant_Condition
Down syndrome .
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Participant_Sample-size
24
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Participant_Condition
Down syndrome
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Participant_Age
6 to 17
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Participant_Sample-size
23