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Many different things can cause speech impairments, including drug abuse, brain injury, hearing loss, neurological disorders, mental retardation, or physical impairments like a cleft palate or lip. Verbal or physical abuse can cause speech impairments as well. However, it is not unusual for the cause of speech impairment to be unknown.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.