Attention Deficit Hyperactivity Disorder :: ADHD Research Papers Health Essays

Attention deficit Hyperactivity DisorderAttention-Deficit/Hyperactivity Disorder ( attention deficit hyperactivity malady) is a neurological brain disorder that manifests as a persistent pattern of inattention and/or hyperactivity. minimal brain damage is downcast down into three subcases predominantly inattentive ADHD, predominantly hyperactive-impulsive ADHD, and combined type ADHD. ADHD begins in childhood, and has only recently been understood, earth-closet persist into maturity date as well. While some children outgrow ADHD, about 50% to 60% continue to slang symptoms into adulthood. Children who have ADHD atomic number 18 often substantially distracted by sights and sounds in their environment, are unable to concentrate for prospicient periods of time, are restless and impulsive, have a tendency to daydream, and are dimmed to complete tasks. Adults who have ADHD may have less pronounced symptoms, such as Inattentiveness, impulsivity or hyperactivity, Impairment in at least two of three areas -- work, life at home and in sociable interaction with peers, and a history of childhood symptoms. The exact cause of ADHD isnt known, although there are many theories.ADHD is broadly defined and pervasive, and the symptoms attributed to ADHD likely have a variety of different causes. The initial triggers could overwhelm genetic vulnerabilities, viral or bacterial infections, brain injury, or nutritionary deficits. There has been a surge in alternative approaches to ADHD, but these have been vigorously disputed. There is increasing evidence that variants in the gene for the dopamine transmitter are related to the development of ADHD. This makes sense, as according to new(prenominal) recent studies, people with ADHD usually have an abnormally towering number of dopamine neurotransmitters which discard the dopamine before the brain can fully make use of it. The stimulant medications used to treat the disorder are all capable of blocking dopamine neurotrans mitters. The finding of another(prenominal) possible cause stemmed from the observation that children of women who smoked during pregnancy are more likely to be diagnosed with ADHD. Given that nicotine is known to cause hypoxia (too inadequate oxygen) in the uterus, and that hypoxia causes brain damage, smoking during pregnancy could be an important add factor leading to ADHD.