Why are people getting taller?
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Your height is 80% genetics and 20% nutrition ([https://medlineplus.gov/genetics/understanding/traits/height/](https://medlineplus.gov/genetics/understanding/traits/height/)), but nutrition is what’s improving here. Studies have shown that men of average height are more likely to reproduce than men that are tall or short ([https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3277695/](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3277695/)), even though you would assume that taller men are more likely to reproduce based on current trends, that’s not what’s causing this. If there was more long-term partner selection based on taller men or women, then we would also see people getting taller on average (due to natural selection) apart from their nutrition.
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