J.D. Scott revealed he has been dealing with an illness for over a year — and doctors still aren’t 100 percent sure what it is.

The Property Brothers star opened up on Instagram in a lengthy video where he and his wife share details about his health.

After having multiple MRIs, J.D. said, “What [doctors] thought it was, was an autoimmune disease,” like lupus. But “after months and months,” his two neurologists instead thought he “had two brain aneurysms.”

Watch below: