A study on comparative effects between amphetamine mixed salts and methylphenidate in children who have been treated for a year or more have shown a temporary decrease in growth rate that does not affect final adult height.

Caution is advised when using this drug in children because it may affect weight, growth rate, and final height.

Studies seem to indicate that ethylene affects stem diameter and height: When stems of trees are subjected to wind, causing lateral stress, greater ethylene production occurs, resulting in thicker, more sturdy tree trunks and branches.

Suppose there are a hundred genes that affect height (about 50 are known already, and many more remain to be found).

Among adults nutritional status affects weight, but not height.

It is not known if this will affect final adult height.

Unlike in English, stress does not affect vowel quality or height.

If used for a long time, this drug may affect a child's growth rate, weight, and final adult height.

The pregnant mother's health is important as gestation is itself a critical period for an embryo/fetus, though some problems affecting height during this period are resolved by catch-up growth assuming childhood conditions are good.

This can also affect height, arm length, and life span.