krabbe disease or globoid cell leukodystrophy is a severe neurological condition, text button on keyboard, concept background

background blindness deafness definition degenerative design difficulties disease fatal feeding generally graphic infant irritability israel krabbe late limb months muscle mutations myelin nervous onset paralysis quote rare scandinavian seizures sheath slower stiffness supportive system text weakness word key board keyboard button globoid cell leukodystrophy severe neurological condition concept