In Great Britain, drivers must notify the Driver and Vehicle Licensing Agency (DVLA) of any 'notifiable' medical conditions that could affect their driving capabilities. This includes conditions such as sleep apnoea, epilepsy, heart conditions, and various psychological disorders. If a driver develops a condition or if an existing condition worsens, they are legally obligated to inform the DVLA. Failure to report such conditions can lead to fines of up to £1,000 and potential prosecution in the event of an accident. While not all medical issues require reporting, those that significantly impair driving ability must be disclosed. The DVLA emphasizes that drivers should consult their healthcare providers to determine if their conditions necessitate notification. A detailed list of conditions includes over 100 medical issues ranging from anxiety and depression to serious neurological disorders like multiple sclerosis and Parkinson’s disease.