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Causes Of ADHD

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Being one of three members in my family with ADHD, I have always been curious as to the different causes of ADHD such as genetics compared to the environment. Attention-deficit/hyperactivity disorder, also known as ADHD, is “one of the most common childhood-onset psychiatric disorders; it afflicts some 5% to 10% of children and adolescents” (Susan). After numerous studies, results verified, “children of parents with ADHD are at high risk for meeting diagnostic criteria for the disorder” and that childhood cases of ADHD “continue through adolescence and adulthood have an especially strong familial component” (Joseph). For background statistics on ADHD,
ADHD is one of the most common childhood disorders and can continue through adolescence …show more content…
Like many other illnesses, ADHD probably results from a combination of factors. In addition to genetics, researchers are looking at possible environmental factors, and are studying how nutrition, and the social environment might contribute to ADHD. Inattention, hyperactivity, and impulsivity are the key behaviors of ADHD.
In the article The Genetics of ADHD by Jane Collingwood, Collingwood discuses different studies to prove that genetics plays a vital role in the makeup of ADHD from parent to their child. Heredity is the passing on of characteristics from one generation to the next, along with; genetics is the study of how heritable traits are transmitted from parents to offspring. In this article, Collingwood studies the genetics of ADHD in the family and its heritability.
Collingwood states, “a 2009 review concluded that genetics account for 70 to 80 percent of the risk, with a mean estimate of 76 percent” (Collingwood). Genetics pass many heritable traits from parent to child; the most common gene found in the disorder is dopamine D4 and dopamine D5. Although genes play a huge role in the passing of ADHD from parent to …show more content…
However, she concludes that genes play a huge role in the passing of this disorder, but, it does not necessarily cause it, it just increases the risk. Along with Collingwood’s study, Joseph Biederman conducted an experiment and concluded, “the results support the validity of the adult diagnosis of ADHD and suggest that the adult form of this disorder may have stronger familial etiological risk factors than its pediatric form” (Biederman). Though ADHD has a strong link from parent to child, it is not the main reason a child develops ADHD, it just makes the child more at risk of developing the disorder since it is in their genetic makeup passed down from their

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