For example, you may develop a speech impairment because of: Acquired apraxia of speech (AOS) is usually seen in adults but can happen at any age. This may lead to self-esteem issues and the development of depression. Speech disorders can affect adults and children. Early treatment can correct these. But what if you suddenly can't get the words out, or can't say them in your usual way? Speech problems that seem to come out of nowhere may. Speech disorders affect a person's ability to produce sounds that create words, Developmental stuttering affects young children who are still.