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King Grub
2018-03-12, 10:13
AIM:

To scrutinize to what extent modern ideas about nutrition effects on growth are supported by historic observations in European populations.

METHOD:

We reviewed 19th and early 20th century paediatric journals in the Staatsbibliothek zu Berlin, the third largest European library with an almost complete collection of the German medical literature. During a three-day visit, we inspected 15 bookshelf meters of literature not available in electronic format.

RESULTS:

Late 19th and early 20th century breastfed European infants and children, independent of social strata, grew far below World Health Organisation (WHO) standards and 15-30% of adequately-fed children would be classified as stunted by the WHO standards. Historic sources indicate that growth in height is largely independent of the extent and nature of the diet. Height catch-up after starvation was greater than catch-up reported in modern nutrition intervention studies, and allowed for unimpaired adult height.

CONCLUSION:

Historical studies are indispensable to understand why stunting does not equate with undernutrition and why modern diet interventions frequently fail to prevent stunting. Appropriateness and effect size of modern nutrition interventions on growth need revision.

Acta Paediatr. 2018 Mar 11. Stunting, starvation, and refeeding - a review of forgotten 19th and early 20th century literature.

http://onlinelibrary.wiley.com/doi/10.1111/apa.14311/abstract;jsessionid=AB936DC344DCF20A8E3BF3230BD772 9E.f04t02

Klein
2018-03-12, 12:21
Acta Paediatr. 2018 Mar 11. Stunting, starvation, and refeeding - a review of forgotten 19th and early 20th century literature.

http://onlinelibrary.wiley.com/doi/10.1111/apa.14311/abstract;jsessionid=AB936DC344DCF20A8E3BF3230BD772 9E.f04t02

Givetvis spelar kosten roll fast sambandet fördunklas av att föräldrarnas näringsstatus och genuttryck när deras avkomma blir till påverkar avkommans genuttryck. Det tar många generationer av god nutrition att nå maximal reslighet.

DerImperator
2018-03-12, 12:39
Rätt vedertaget att det krävs 3-4 generationer av bra förhållanden att nå maximal längd. Infödda invandrare med utländska föräldrar är ju inte alls lika långa som etniska svenskar. Svenskar som växte upp under 40 och 50-talet hade nog generellt sett mycket bättre och näringsrik nutrition än svenska barn idag, ändå var deras genomsnittslängd 6-7cm mindre.

Samt så kan ju sjukdomar och infektioner påverka, särskilt under de första åren.