Cookies

Two cookies, and they are both about this page. One remembers what you chose here so we do not ask again; the other is a random number with nothing attached to it, so we can show you what you chose and prove it if you ever ask. Nothing else is set. There is no advertising or tracking cookie on this site, and the analytics switch below currently turns on nothing at all — we built the controls before we built anything to control. On a site like this, what you looked at is itself sensitive, so we would rather measure less.

Your choices

Change these whenever you like. Turning something off takes effect immediately, and is exactly as easy as turning it on — one click, on this page, with no one to email.

You have not chosen yet, so everything optional is off. That is a real setting, not a pending one — ignoring the question is a valid answer and we treat it as no.

Strictly necessary

The two cookies that record and honour this choice. Without them we would ask you on every page and could not act on a refusal.

Always on

What this sets

  • psh_consentRemembers the choice you made here, and which version of this page you were shown. (Kept 365 days)
  • psh_vidA random number, created only when you answer this — not before, and not derived from anything about you or your device. It exists so we can prove what you chose and when. (Kept 365 days)

How many people read a page, and roughly where they arrived from. Nothing is installed today, so turning this on loads nothing — if that changes, it would only ever see a page address with the details removed, never which test you were reading about.

What this sets

Nothing today. Allowing it would not load anything.

Advertising and audience measurement. Nothing is installed today, and nothing will be that could tie an advert to a health page on this site.

What this sets

Nothing today. Allowing it would not load anything.

Policy version: 2026-07-15

Demo build — doctors, reviews and medical copy are placeholders and have not been reviewed by a clinician.