Key Takeaways
- ADHD is a neurodevelopmental condition marked by persistent patterns of inattention, hyperactivity, and impulsivity that affect both children and adults.
- There are three recognized types of ADHD: Predominantly Inattentive, Predominantly Hyperactive-Impulsive, and Combined Presentation.
- ADD is an outdated term now included under the broader diagnosis of ADHD, even when hyperactivity is not present.
- ADHD affects approximately 5% of the global population and, while often diagnosed in childhood, many people continue to experience symptoms into adulthood.
- ADHD is believed to result from a combination of genetic, neurological, and environmental factors, and it often runs in families.




Sources & References
DrSensory articles are informed by guidance from the authoritative health and professional organizations below. This content is educational and is not a substitute for personalized advice from a licensed provider.
- Centers for Disease Control and Prevention (CDC). About ADHD.
- National Institute of Mental Health (NIMH). Attention-Deficit/Hyperactivity Disorder.
- American Academy of Pediatrics (HealthyChildren.org). ADHD.
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