All have weak effects, but play a role in early development of the male sex organs in childhood, and in women during puberty. (drjockers.com)
It is difficult and costly to correct discrepancies in achievement that result from early setbacks, and much easier and more efficient to invest in early development of skills. (naesp.org)
They purposely chose a time during early development in which embryos are especially vulnerable to the effects of alcohol. (sciencedaily.com)