[Automatic translation follows] Official page of the High Authority for Health (HAS), an independent public authority of a scientific nature The HAS is an independent public authority whose aim is to contribute to the regulation of the health system through quality. Its missions in the fields of the evaluation of health products, professional practices, the organization of care and public health, aim to ensure that all patients and users have sustainable and equitable access to care that is as effective, safe and efficient as possible.