ADHD is a neurodevelopmental disorder known as attention-deficit/hyperactivity disorder. The diagnosis consists of a pattern including hyperactive, inattentive, and impulsive behaviors. This paper goes into depth about several different topics that relate to ADHD coexisting with other disorders and phenotypes. ADHD can coexist with other disorders causing disruptions in adulthood with interpersonal relationships, academics, and performance at work. There are psychiatric disorders and non-mental conditions that can accompany ADHD. Around 70-80% of individuals that have ADHD also have comorbid psychiatric disorders that accompany it. ADHD can come out in different symptoms for everyone and every person with it can have other coexisting issues that are different. There is an important role that genetics plays in the co-curring traits and ADHD. Twin studies proved that ADHD is from a genetic background. These studies provided information on the heritability of ADHD and proved that the heritability is very similar in males and females for certain traits.
This image shows a representation of genetic correlations between ADHD and other psychaitric disorders as well as behavioral and cognitive traits. This visual can provide an overview of percentages of individuals with ADHD that are affected by these other disorders. This study goes into a lot of information on quantitative genetic twin and family studies as well as genome molecular studies of rare and common variants. All of this information proving the genetics behind ADHD affecting peopole the way it does.
https://www.sciencedirect.com/science/article/abs/pii/S0149763423002828
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2713155/
This was interesting, I did not think ADHD was connected to everything in the image.
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