The Short Version
Multiple observational studies show a consistent association between milk consumption and greater height in children and adolescents. However, the strongest causal evidence — a meta-analysis of 17 randomized controlled trials — found no statistically significant effect of milk interventions on height, and a systematic review of controlled trials calls results "inconclusive." Genetics accounts for roughly 80% of height variation. The claim that milk "contributes to" height growth overstates what the experimental evidence supports, presenting an observed correlation as an established causal relationship.