Cookie policy
Last updated: 10 October 2026
This site uses Google Analytics (Google LLC) to understand which pages are read. Google Analytics places cookies in your browser.
Which cookies are used?
| Cookie | Provider | Purpose | Duration |
|---|---|---|---|
_ga |
Google Analytics | Holds a random ID to tell visitors apart | About 2 years, according to Google’s documentation |
Cookie starting with _ga_ |
Google Analytics | Holds session state | About 2 years, according to Google’s documentation |
These cookies do not contain information that directly identifies you, such as your name, email address or health information.
How can you block cookies?
- Choose Decline in the cookie notice on the page; measurement then stops. You can change your choice with the “Cookie preferences” link at the bottom of the page.
- You can delete or block cookies in your browser settings.
- Google offers a browser add-on that stops Analytics from collecting your data: Google Analytics opt-out add-on.
Blocking cookies does not affect how you use the site.
Other technical data
- Hosting logs. The hosting service (Cloudflare) may keep technical records such as the IP address for security and operation. Details are in the privacy notice.
- Local storage. We keep your cookie choice (accept or decline) in your browser’s local storage. Answers in the symptom checklist are not saved and are lost when you close the page.