European journal of clinical nutrition
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The first section of this paper reviews what is known about the roles of specific nutrients in the general linear growth faltering that occurs in developing countries. Those reviewed are energy, protein, zinc, iron, copper, iodine and vitamin A. For none of these nutrients was there clear, consistent evidence that supplementation with the nutrient benefited linear growth. ⋯ This point is illustrated with data from the Nutrition Collaborative Research Support Program (CRSP) and other reports. Most interventions with single nutrients have been tested on children older than the age when linear growth faltering is most rapid, that is, within a few months of birth. Possible reasons why growth stunting begins so early in life are presented, but these are mostly hypothetical because of the paucity of information on this topic.
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In order to study the relationship between diet and growth, we have assessed growth patterns in children 0-10 years old on macrobiotic diets. A cross-sectional anthropometric study (0-8 years old children, n = 243) indicated that deviation from the reference growth curve occurred during the weaning period. Between 2 and 4 years there was a partial catch-up for weight and arm circumference but not for height. ⋯ Six months later (two years after the first cross-sectional data collection) the anthropometric study was repeated in the same cohort (n = 194). This follow-up study revealed that children from families which, since the initial study, had increased the consumption of fatty fish, dairy products, or both, had grown in height more rapidly than the remaining children (P < 0.05). Since no indications were found for the presence of adverse social circumstances, infectious diseases or other confounding factors, our data clearly demonstrate that linear growth retardation in children on macrobiotic diets is caused by nutritional deficiencies alone.