Terms of Use

The nature of this content

The content on this site is provided for information and education. It does not replace assessment, diagnosis or treatment by a qualified health professional, and it does not create any therapeutic relationship.

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Accuracy and currency

We aim to base articles on scientific literature and to cite sources where we can. Knowledge in this field moves, so an article may cease to reflect the current state of the evidence.

Links to other sites

Some articles link to studies, institutions and support services. We are not responsible for the content of those sites or for their privacy practices.

Ownership

The text and images published here belong to their authors. You may quote extracts with attribution and a link to the original article.

Changes

These terms may be updated. The date of the most recent update is shown at the top of this page.