correlational
Analysis v1
In affluent Western countries, a shift away from animal proteins like dairy and pork toward more cereals and sugary carbohydrates coincides with a slowdown in the historical increase of adult male height, indicating that nutritional changes during childhood and adolescence may be affecting growth.
Evidence from Studies
Supporting (1)
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The study found that when people in wealthy countries started eating less meat and dairy and more bread and sugary foods, boys stopped growing taller over time — suggesting their diets weren’t giving them the right nutrients to grow properly.
Contradicting (0)
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No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.