What causes attention deficit hyperactivity disorder (ADHD)?

The exact cause of ADHD is not well known. Some factors that are thought to possibly be involved in the development of ADHD include:
  • Genetics: Having a blood relative with ADHD puts one at increased risk for developing the disorder. It is possible for ADHD to run in families so genes may play a role. 
  • Biological: Chemical imbalances with neurotransmitters in the brain that help to control behavior may play a role in the development of ADHD. 
  • Developmental: Problems with development of the central nervous system could potentially play a role in ADHD. 
  • Environment: Exposure to toxins such as lead can be related to ADHD development. 
  • Prenatal exposure: Maternal smoking and/or drug and alcohol use increases the risk of having a child with ADHD.  
attention deficit hyperactivity disorder (ADHD) causes

  • "Attention-deficit/hyperactivity disorder (ADHD) in children." Mayo Clinic. Mayo Foundation for Medical Education and Research, 16 Aug. 2017. Web. 17 Aug. 2017.
  • “Attention-Deficit/Hyperactivity Disorder (ADHD).” The Cleveland Clinic Foundation. Cleveland Clinic, 18 Oct. 2016. Web. 17 Aug. 2017.


From Our Blog: National Alcohol and Other Drug-Related Birth Defects Awareness Week
Fetuses are negatively impacted when their mother’s drink alcohol or use drugs, as these substances will enter their bloodstream, disrupting development. Should the mother drink during her pregnancy, it is the most damaging during the first trimester. At this stage, the baby’s brain is still developing. The mother may not have serious issues after substance use, but the child will as they may experience developmental problems. 
national alcohol and other drug-related birth defects awareness week


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