What is ADHD?

An overlooked and
misunderstood condition

About ADHD

ADHD is a lifelong neurodevelopmental disorder1, with symptoms of inattention, hyperactivity-impulsivity and emotional dysregulation.2

Once thought to be a childhood disorder, ADHD is now known as a condition that affects a person throughout their life. ADHD affects around 2.5% of adults worldwide, and between 5.9% of children and adolescents.3

Key Facts

ADHD and mental health

People with ADHD are more likely to have comorbid conditions such as depression, bipolar disorder and anxiety disorders4, which can be exacerbated if undiagnosed.

ADHD and physical health

ADHD also increases the likelihood of obesity, smoking, and alcohol and drug misuse, and is associated with autoimmune diseases and other poor long-term health outcomes.5,6

ADHD and treatment

Effective treatment for people with ADHD involves early intervention and diagnosis paired with individualized treatment and care.

Take action

Read our ‘Attention on ADHD’ report, which uses a new budget impact analysis model commissioned by Takeda to show the cost of untreated ADHD and the value of increasing treatment rates to realise healthcare and social savings.

Download our infographic, which summarises the key findings from the report.

References

1. Young, S., et al (2018b). The economic consequences of attentiondeficit hyperactivity disorder in the Scottish prison system. BMC
Psychiatry 18, 210.

2. American Psychiatric Association, DSM-5 Task Force. (2013). Diagnostic and statistical manual of mental disorders: DSM-5™ (5th ed.). American Psychiatric Publishing, Inc.

3. Faraone, S. et al (2021). The World Federation of ADHD International Consensus Statement: 208 Evidence-based conclusions about the disorder. Neurosci Biobehav Rev. 128:789-818

4. Sobanski E. (2006). Psychiatric comorbidity in adults with attention-deficit/hyperactivity disorder (ADHD). Accessed via: https://link.springer.com/article/10.1007/s00406-006-1004-4. [Accessed January 2023].

5. Faraone, S. et al (2021). The World Federation of ADHD International Consensus Statement: 208 Evidence-based conclusions about the disorder. Neurosci Biobehav Rev. 128:789-818

6. Chen, M. et al (2017). Comorbidity of Allergic and Autoimmune Diseases Among Patients With ADHD. J Atten Disord. 21(3):219-227.