![scientists-discover-novel-mechanism-that-causes-rare-brain-disease](https://utterbuzz.com/wp-content/uploads/2022/09/scientists-discover-novel-mechanism-that-causes-rare-brain-disease.png)
A rare but potentially debilitating brain disorder finally has a definitive cause, thanks to research teams working on opposite sides of the globe. A mutation in the gene that manages the transportation out of cells of zinc, an essential dietary micronutrient, is responsible for the disorder, called hypomyelinating leukodystrophy.