What if we could learn from the collective experience of patients everywhere?

Top Medications


2888 people


5102 people


2490 people

Top Diets

No Beer

2560 people

No Dairy

2218 people

No Spicy Food

2114 people

Top Supplements

Vitamin B12

2742 people

Vitamin D

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3347 people

Crohnology is...

A Patient-Powered Research Network

that allows any patient to contribute to research for the cure.

Currently focused on

Sean Ahrens , Crohn's patient and founder of Crohnology

I started Crohnology because
after living for Crohn's for 14 years, I realized that the data that I was gathering
outside the doctor's office
was just as important as, if not more than, what I was learning inside.

Since my diagnosis at age 12,

Just because these things worked for me, I wasn't about to claim that they work for everybody. Instead, I decided to build a patient-powered research network that would allow patients everywhere to be contributing their own treatment experimentation in a way that could be aggregated for us to learn what actually works for whom.

— Sean Ahrens

patients with Crohn's and Colitis
years of patient experience

How it works

  1. You build a timeline of your health and the treatments you've done.
  2. Tx_timeline_550
  3. You contribute to collective knowledge by asking and answering research questions or participating in studies.
  4. Questions_550
  5. We share the knowledge back with everyone.
  6. Diet_graph_550

Ready to Join in Advancing the World's Collective Knowledge?

Get Started

Are you a physician or the family member of a patient? You can get involved, too.

Are you a researcher? Are you trying to run a survey, study, trial, or otherwise learn from patients?
Email us if you'd like to work on a project together.