While heredity is often indicated, problems in prenatal development, birth complications, or later neurological damage can contribute to ADD.
#Add disorder in adults series
A 1990 study at the National Institute of Mental Health correlated ADD with a series of metabolic abnormalities in the brain, providing further evidence that ADD is a neurobiological disorder. Scientific evidence suggests that in many cases the disorder is genetically transmitted and is caused by an imbalance or deficiency in certain chemicals that regulate the efficiency with which the brain controls behavior. The exact cause or causes of ADD are not conclusively known. Children with ADHD are thought to have problems with the part of the brain that controls the organization and direction of thought and behavior. Brain scans reveal that the brains of children with ADHD differ from those of children without the disorder. In fact, 30 to 40 percent of children diagnosed with ADHD have relatives with the same disorder. Researchers believe that biology and genes play a large role in the development of ADHD. Approximately one-third to one-half of these adolescents continue to have symptoms of ADD during their adult years.ĪDHD is nobody’s fault. During this time period, associated behavioral, learning, and emotional problems also manifest themselves. About two-thirds of the children who are diagnosed in or before elementary school with ADD continue to have behavioral symptoms in adolescence. In the few treatment studies of adults, there does not appear to be a significant sex difference. The prevalence of ADD in adults is unknown very few have been studied. Unfortunately, relatively few adults are diagnosed or treated for ADD. Symptoms such as inattention, impulsivity and over activity are now known to continue into adulthood for a significant percentage of children with ADD. While the condition is most often associated with children, there has been a more recent understanding the Attention Deficit Disorders (ADD, ADHD) continue into adulthood for many individuals. Although boys are three to four times more likely than girls to experience ADHD, the disorder affects both boys and girls. It affects as many as one in every 20 children. Attention-deficit hyperactivity disorder (ADHD) is one of the most common reasons children are referred for mental health services.
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