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Who develops ADHD?

Attention deficit hyperactivity disorder (ADHD) usually arises in early childhood, although some people may not be diagnosed until they are adults. Around 5% of children and 2.5% of adults have ADHD. ADHD tends to be more common in boys, who tend to be more hyperactive and whose symptoms tend to be more likely to improve as they get older. There are some medical conditions and circumstances in which ADHD symptoms may be more likely to occur. These can include: Very low birth weight; Childhood trauma (including abuse, neglect, domestic violence and parental illness); Brain injury (including damage that occurs during the pregnancy), and; Genetic development disorders such as, neurofibromatosis and fragile X syndrome.

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Author: Kellie Heywood
First answered: 24 Oct 2014
Last reviewed: 19 May 2018
Rating: 4.9 out of 5
Votes: 1302 (Click smiley face below to rate)
Category: Oppositional defiant disorder

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