Know.
A reference library for chronic illness

Know your illness.

Plain-language references on the conditions modern medicine has been slowest to take seriously. Citation-backed. Patient-grade. Free to read, free to download, easy to share with the people who need to understand.

Rox
Built by Rox Symptom tracking, medication tracking, and pattern-finding for fibromyalgia and the chronic illness cluster, connecting what you feel to what your wearable is measuring. Get Rox on the App Store →
Available now

Fibromyalgia

Nociplastic pain, deep fatigue, broken sleep, fibro fog. 1 in 30 adults. Most go undiagnosed.

Read the reference →
Coming soon

ME/CFS

Post-exertional malaise, profound fatigue, the central reference standard we measure against.

Available now

POTS

Postural Orthostatic Tachycardia Syndrome. Standing up shouldn't be hard, but it is.

Read the reference →
Coming soon

Long COVID

The post-viral syndrome that turned chronic illness research upside down.

Coming soon

Endometriosis

A pelvic pain condition routinely dismissed for an average of seven to ten years before diagnosis.

Coming soon

EDS

Ehlers-Danlos Syndrome. Joints that bend further than they should, with system-wide consequences.