Contribute

This site is built on the idea that health information should be open, honest, and constantly improving. We need your help to make that happen.

Challenge Our Research

Think something on this site is wrong, outdated, or missing important context? Good. That's exactly what we want to hear.

Every challenge is reviewed. If your evidence is solid, we'll update the page — and the change will be visible in the page's edit history for everyone to see.

To submit a challenge, visit any topic page and click "Submit a challenge" at the bottom. You'll need to sign in first.

Suggest a Topic

Is there a health topic we haven't covered yet? Let us know and we'll research it.

View Edit History

Every page on this site has a "View edit history" link at the bottom. You can see exactly what changed, when, and why. No hidden edits, no silent changes.

Browse all content changes

How We Handle Submissions

Every submission is reviewed against the cited evidence
If the science supports a change, we update the page
The edit shows up in version history with a link to your submission
We don't delete conflicting evidence — if there's genuine scientific disagreement, we show both sides
We credit contributors who improve our content

Open Source

The entire site is open source. You can review the code, the content, and the build process.