- A child with ADHD is four times more likely to have a relative with ADHD.
- At least one-third of all fathers who had ADHD in their youth have children with the condition.
- The majority of identical twins share the ADHD trait.
What Parts of the Brain Are Affected by ADHD?
ADHD brains exhibit structural and functional differences.
How Does ADHD Impact the Brain?
ADHD brains also exhibit chemical differences.
Is ADHD Caused by Toxins and Pollution?
Scientific research suggests that exposure to chemicals — everyday toxins found in foods, carpeting and flooring, cleaning and lawn products, and personal-care products, like toothpastes — may contribute substantially to disorders such as ADHD, autism, and learning disabilities.
Is ADHD Impacted by Nutritional Factors?
At one time, doctors believed that refined sugar and food additives made children hyperactive and inattentive. As a result, parents were encouraged to stop serving children foods containing artificial flavorings, preservatives, and sugars.
How Does Culture Impact ADHD Symptoms and Diagnoses?
A newer, more controversial theory contends that ADHD is a byproduct of our fast-paced, stressed-out, consumer-driven lifestyle. Michael Ruff, M.D., a clinical associate professor of pediatrics at Indiana University, believes that this cultural influence explains parts about ADHD that genetics can’t.