Darbas anglų kalba apie kalbos sutrikimus ir defektus. Introduction. The difference between language and speech. Speech and language development. Normal speech development. Main language problems. Couses of language problems. Acquired Brain Injury (ABI) including Stroke. Autism Spectrum Disorder. Bilingualism. Cleft Palate. Dyslexia. Learning disability. Mental health. Stammering. Visual Impairment. Voice Disorders. How to improve educational and daily life? Conclusion.