Attention deficit hyperactivity disorder (ADHD) is among the most common neurodevelopmental disorders diagnosed in children. Lenard A. Adler, MD, director of NYU Langone’s Adult ADHD Program, says that ADHD in children is a “highly heritable disorder.” In fact, he tells Health, “We think 80 percent of the transmission is familial.”
Dr. Adler adds that if a parent has ADHD, there’s a 20 to 25 percent chance their child will also have it. However, he says doctors don’t know exactly which gene causes the disorder.
Environmental factors may also play a role, though experts aren’t positive what else could cause the condition.
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