Related by context. Frequent words. (Click for all words.) 56 degenerative disorder 54 fatal neurodegenerative 53 Fragile X Syndrome 53 Fanconi anemia 52 progressive neurodegenerative disease 52 progressive degenerative 52 neurodegenerative disorder 52 hereditary disorder 50 genetically inherited 50 Prader Willi syndrome 50 enzyme deficiency 50 degenerative disease 49 genetic disorder 48 primary immunodeficiency 47 Friedreich ataxia 47 mutated genes 47 Autism Spectrum Disorder 47 frontotemporal dementia 47 incurable illness 47 1 antitrypsin deficiency 47 Undiagnosed 47 Progeria 47 genetic defect 47 incurable disease 46 metabolic disorder 46 neurodegenerative disease 46 Friedreich Ataxia 46 progressive supranuclear palsy 46 gene mutations 46 neurofibromatosis 46 hemolytic anemia 46 hemochromatosis 46 affliction 45 Alzheimers disease 45 nasopharyngeal cancer 45 gene mutation 45 neurological dysfunction 45 phenylketonuria 45 fatal malady 45 genetic abnormality 45 defective gene 45 disorder 45 Fragile X syndrome 45 disease 45 neuromuscular disease 44 chronic autoimmune 44 beta thalassemia 44 Sickle cell 44 retinitis pigmentosa 44 FSGS 44 developmental disorder 44 sickle cell disease 44 Glioblastoma 44 genetic defects 44 genetic mutation 44 genetic mutations 44 sickle cell anemia 44 Celiac disease 44 Emphysema 44 LQTS 44 mutated gene 44 retinal degeneration 44 mitochondrial disease 44 epilepsy 44 NF1 43 incurable 43 Spinal Muscular Atrophy 43 Neuroblastoma 43 amyloidosis 43 Rett syndrome 43 Osteosarcoma 43 autism spectrum disorders 43 Cystic fibrosis 43 ASDs 43 Hodgkin Disease 43 tuberous sclerosis 43 autoimmune disorder 43 diagnosed 43 Huntington Disease 43 immunodeficiency 43 rare neurological disorder 43 Macular degeneration 43 neurological disorder 43 Neurofibromatosis 43 genetic abnormalities 43 mitochondrial dysfunction 43 Narcolepsy 43 Marfan syndrome 42 polycystic ovary syndrome 42 acute myelogenous leukemia AML 42 Rett Syndrome 42 Cirrhosis 42 Ulcerative colitis 42 Diabetic retinopathy 42 obsessive compulsive disorder OCD 42 neural tube defect 42 polycystic kidney disease 42 Periodontal disease 42 Burkitt lymphoma 42 parkinsonism 42 infantile spasms