noun, Psychiatry. 1. an inability to speak, due to a physical defect, conscious refusal, or psychogenic inhibition. Origin of mutism.
1 A new study finds girls are developing breasts earlier than ever before; American boys and girls are entering puberty about five years younger than they did in 1920.
A new longitudinal study found that girls are developing breasts at an increasingly younger age, which is part of a disturbing trend in the sexual development of our children. American girls (and boys) are hitting puberty earlier than ever before, and upward trends in childhood obesity seem to be playing a major role.