Vitamin A toxicity is one of those conditions that can hide in plain sight for months or years. The symptoms—persistent headaches, unexplained bone and joint pain, dry or peeling skin, fatigue, and blurred vision—are easy to misattribute.

If you or someone you love has been diagnosed with Weill-Marchesani syndrome, you already know the particular fatigue that comes with a rare condition — the scarcity of specialists who truly understand it, the frustration of guidance that rarely goes beyond surveillance, and the sense that most medical frameworks were not built with you in mind.

If you're reading this, you've probably already sat through an appointment where a geneticist said a word like "GNPTAB" or "MCOLN1" and then moved on to the next topic before you could finish writing it down.