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- Title
The effect of vitamin-mineral supplementation on the intelligence of American schoolchildren: a randomized, double-blind placebo-controlled trial.
- Authors
Schoenthaler, S J; Bier, I D; Young, K; Nichols, D; Jansenns, S
- Abstract
Many medical, nutrition, and education professionals have long suspected that poor diet impairs the academic performance of Western schoolchildren; academic performance often improves after improved diet. However, others have suggested that such academic gains may be due to psychologic effects rather than nutrition. To resolve this issue, two independent research teams conducted randomized trials in which children were given placebos or low-dose vitamin-mineral tablets designed to raise nutrient intake to the equivalent of a well-balanced diet. Both teams reported significantly greater gains in nonverbal intelligence among the supplemented groups. The findings were important because of the apparent inadequacy of diet they revealed and the magnitude of the potential for increased intelligence. However, none of the ten subsequent replications, or the two original trials, were without limitations leaving this issue in controversy.
- Publication
Journal of alternative and complementary medicine (New York, N.Y.), 2000, Vol 6, Issue 1, p19
- ISSN
1075-5535
- Publication type
Journal Article
- DOI
10.1089/acm.2000.6.19