Privacy policy

What we collect

We do not require accounts, and we do not ask for health information. If you choose to submit the error report form, we receive only what you type into it. Please do not include personal health details about yourself or anyone else.

Cookies and analytics

We do not use advertising cookies and we do not sell or share data with advertisers. Any aggregate usage measurement is used solely to understand which information people find useful, and never to identify individuals.

Browsing safely

• The Quick exit button in the header immediately opens a neutral website.
• Using a private or incognito browser window prevents this site appearing in your history.
• You can clear your browsing history for this site in your browser settings at any time.
• If you share a device with someone whose reaction you are worried about, consider using a library, workplace or friend's device instead.

External links

We link to NHS, government and charity websites. Those organisations have their own privacy policies, which apply once you leave this site.