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attention deficit hyperactivity disorder

noun

  1. behavioural disorder characterized by deficiency in ability to pay attention
L1329564 on Wikidata ↗

Wiktionary

noun

  1. A developmental disorder in which a person has difficulty to concentrate and a persistent pattern of impulsiveness and inattention, with or without a component of hyperactivity.

    “Having attention deficit hyperactivity disorder, or ADHD, is associated with a shorter life expectancy and a greater risk of mental health issues, according to a new study of more than 30,000 people with the disorder in the United Kingdom.”