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Rett syndrome

Read about Rett syndrome, a rare genetic disorder that affects brain development and causes severe physical and mental disability from early childhood.

About this information

This NHS content is written for people in England. Services, entitlements and contact routes may differ in other countries.

This NHS entry is an overview page. Use the original article link below to open its related guides.

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Content supplied by the NHS website, refreshed 19 August 2026. View the original NHS article ↗

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