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A survey conducted by the Centers for Disease Control and Prevention in 2011–2012 found 11% of children between the ages of 4 and 17 were reported to have ever received a health care provider diagnosis of ADHD at some point (15% of boys and 7% of girls), [182] a 16% increase since 2007 and a 41% increase over the last decade. [183]
Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterized by executive dysfunction occasioning symptoms of inattention, hyperactivity, impulsivity and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and developmentally-inappropriate.
ADHD was found more often in boys, at a rate of 2:1. [10] The most common form of ADHD was inattentive (2.95% of total population), followed by hyperactive/impulsive (2.77%), then combined (2.44%). [10] While differences in prevalence rate were found internationally, it is not clear whether this reflects true differences or changes in ...
Children exposed to lead at a young age will also have an increased chance of developing ADHD. Brain injuries could cause ADHD, yet only a small number of children diagnosed fit into this category. Researchers have looked into sugar intake as the cause of ADHD, but have found little to support that theory. [12]
It is difficult to say exactly how many children or adults worldwide have ADHD because different countries have used different ways of diagnosing it, while some do not diagnose it at all. In the UK, diagnosis is based on quite a narrow set of symptoms, and about 0.5–1% of children are thought to have attention or hyperactivity problems.
It is estimated that nearly 10% of children in the United States are impacted by ADHD, writes Dr. Elizabeth Ortiz with Shannon Medical Center.
The diagnosis of "ADHD, not otherwise specified" also no longer includes any mention of CDS symptoms. [25] Similarly, ICD-10 , the medical diagnostic manual, has no diagnosis code for CDS. Although CDS is not recognized as a disorder at this point, researchers continue to debate its usefulness as a construct and its implications for further ...
Neurodevelopmental disorders are a group of mental conditions affecting the development of the nervous system, which includes the brain and spinal cord.According to the American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, published in 2013, these conditions generally appear in early childhood, usually before children start school, and can ...
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