Conditions that resemble MS

Several diseases can look like MS on an examination or a scan, and some are treated very differently. This lesson explains the most common ones, how often MS is wrongly diagnosed, and why the difference matters.

What became possible once the cause of NMOSD was known.

MS is often discussed alongside Alzheimer's disease, Parkinson's disease and ALS, because all of them damage nerve cells over time. This lesson explains what they share, how they differ, and what each field has learned from the others.