Why Are People So Much Taller Today Than Historically?

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There is very strong evidence that this simply comes down to nutrition and the body’s ability to fully benefit from said nutrition via not getting certain diseases that hinder the absorption of consumed nutrients. That the environment is drastically more important than other factors, such as microevolution, is strongly indicated via looking at human height during times of relative comfort compared with times of strife.

[Source: Today I Found Out You Tube channel]