In a 2026 case report from China, a 34-year-old woman with mild intellectual disability was sent for evaluation of possible narcolepsy. Sleep testing and EEG instead showed epilepsy and moderate obstructive sleep apnea.1 Research Highlights Narcolepsy was ruled unlikely: she took 9.3 minutes on average to fall asleep during daytime nap tests, with no early …
A 2026 meta-analysis of 50 studies estimated that about 1 in 3 people with neurofibromatosis type 1 (NF1) have ADHD (33%), and that roughly 1 in 10 have autism (11%), seizures (11%), depression (13%), or anxiety (12%).1 Every one of those figures sits well above typical population rates, but the individual studies disagreed so widely …
A 2026 ALSPAC analysis tested a narrow claim behind routine genetic screening for childhood attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD): whether rare copy number variants (CNVs; deleted or duplicated DNA segments) make young-adult outcomes worse than ADHD/ASD status alone would predict. In 8,414 people with usable CNV data, ADHD and ASD predicted worse …
Children with intellectual disability are 3–4x more likely to have a comorbid psychiatric disorder than peers without ID. A 2026 nationwide Korean study by Joo and colleagues tracks how those rates changed across a decade.1 Research Highlights Korean children and adolescents (ages 2–18) with intellectual disability had ADHD comorbidity rise from 30.2% in 2012 to …