What Is ADHD? Understanding the Basics and Why It Matters
- Tanya Murphy
- Mar 3
- 3 min read
If you have ever been told you are too scattered, too sensitive, too much or somehow never quite enough, you are not alone. Millions of people across the United States are living with Attention-Deficit/Hyperactivity Disorder (ADHD), and the vast majority of them spend years, sometimes entire decades, without a proper diagnosis or meaningful support. That is not an accident. And it is not acceptable.
At The Society for ADHD and Co-Occurring Conditions, we believe that knowledge is the first step toward liberation. So let us start at the beginning.
What Is ADHD?
ADHD is a neurodevelopmental disorder characterized by persistent patterns of inattention, hyperactivity, and impulsivity that interfere with daily functioning and development. According to the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR), ADHD is one of the most common neurodevelopmental disorders in children, and research consistently shows that symptoms frequently persist into adulthood.
Brain imaging studies have identified structural and functional differences in the ADHD brain, particularly in regions governing executive function, attention regulation, impulse control, and emotional processing. This is not a matter of willpower or character. ADHD is a legitimate, well-documented neurological condition rooted in brain biology and strongly influenced by genetics.
The Three Presentations of ADHD
Predominantly Inattentive: Difficulty sustaining attention, following through on tasks, and staying organized. This presentation is the most frequently missed, especially in women, girls, adults, and individuals from communities of color.
Predominantly Hyperactive-Impulsive: Restlessness, difficulty remaining seated or waiting, talking excessively, and acting without thinking through consequences.
Combined Presentation: A blend of both inattentive and hyperactive-impulsive symptoms, which is the most common presentation in clinical settings.
Who Has ADHD?
According to the Centers for Disease Control and Prevention (CDC), approximately 7 million children ages 3–17 have been diagnosed with ADHD in the United States — roughly 11.4% of that age group. But children do not simply outgrow ADHD. Research published in the American Journal of Psychiatry suggests that up to 90% of children with ADHD continue to experience significant symptoms into adulthood, yet adult diagnosis rates remain dramatically lower than childhood rates.
The gap is even more pronounced in communities of color, among women and girls, and in faith communities where ADHD is too often mislabeled as a behavior problem, a spiritual struggle, or a lack of discipline. Closing that gap is exactly why The Society for ADHD exists.
Why Early and Accurate Diagnosis Matters
Without an accurate diagnosis, individuals with ADHD are left to navigate demanding educational, professional, and relational environments without the right tools or understanding. Research published in the Journal of Child Psychology and Psychiatry links undiagnosed ADHD to higher rates of academic failure, employment difficulties, relationship challenges, anxiety, depression, and substance use disorders. Appropriate diagnosis, followed by the right support, dramatically changes outcomes at every stage of life.
You Are in the Right Place
Whether you are newly diagnosed, questioning whether ADHD might explain a lifetime of struggle, supporting a loved one, or leading a faith community that wants to do better for neurodivergent members, you are in the right place. The Society for ADHD exists to provide science-backed, culturally relevant, and faith-affirming education for the communities that have been overlooked for far too long.
Every Tuesday, we will go deeper, covering co-occurring conditions, how ADHD presents differently across gender, race, and culture, the role of faith communities, and so much more. We are just getting started.
JOIN THE SOCIETY FOR ADHD
The Society for ADHD is building a national community dedicated to education, advocacy, and belonging for every neurodivergent person. When you become a community member, you are supporting programs that change lives. Join us today and be part of this movement.
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