Intellectual disability affects about 2–3% of the general population. 75–90% of the affected people have mild intellectual disability. Non-syndromic or idiopathic ID accounts for 30–50% of cases. About a quarter of cases are caused by a genetic disorder. Cases of unknown cause affect about 95 million people . It is more common in males and in low to middle income countries.
complications of Myotonic dystrophy
symptom of Myotonic dystrophy
complications of Lesch–Nyhan syndrome
symptom of Tay–Sachs disease
medical cause of Parkinsonism
symptom of Buschke–Ollendorff syndrome
symptom of Lesch–Nyhan syndrome
symptom of Duchenne muscular dystrophy