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The association of maternal smoking and type of feeding with colic was assessed in 3345 children aged 1-6 months (96% response). The prevalence of colic was twofold higher among infants of smoking mothers, but less among breastfed infants. Maternal smoking as a potential risk factor for infantile crying needs further study.
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Sijmen A. Reijneveld (2000) studied this question.
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