Which parent passes on ADHD? Available evidence suggests that ADHD is genetic—passed down from parent to child. ADHD seems to run in at least some families. At least one-third of all fathers who had ADHD in their youth have children with the condition. What's more, the majority of identical twins share the ADHD trait.
Is ADHD highly genetic?
While the exact causes of ADHD have not been identified, genetic studies show there is a strong hereditary component, with an up to a 91 percent likelihood of passing the disorder to your children.
Can you have ADHD if your parents don t?
The answer is: It depends. The biggest cause of ADHD is genes. 1 ADHD does run in families. Even if no one in your extended family has officially been diagnosed with ADHD, you might notice family members with characteristics and traits that resemble ADHD.
How likely is it to inherit ADHD?
There are genetic characteristics that seem to be passed down. If a parent has ADHD, a child has more than a 50% chance of having it. If an older sibling has it, a child has more than a 30% chance.