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ADHD Data and Statistics

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ADHD Data and Statistics

There are many sources of data from statistical sources regarding ADHD. These include national surveys that are conducted through the Centers for Disease Control and Prevention (CDC), the National Survey of Kids’ Health (NSCH), and the National Health Interview Survey (NHIS). Other non-governmental or governmental organizations like the World Health Organization also provide accurate information. The prevalence studies conducted by researchers provide a wealth of information, as does the analysis conducted by healthcare professionals of the cost of prescription drugs and usage. The data from various sources is included in these categories:

  • General Prevalence of ADHD
  • ADHD and Co-occurring (Coexisting) Conditions
  • ADHD and Long-Term Outcomes
  • ADHD Treatment Data
  • Additional ADHD-related data including driving, adoption diversion and hereditary risk. Prison populations and suicide risk

In analyzing the findings of studies on prevalence, it is essential to consider the size of the study sample, the demographic being studied–whether they are parents, clinicians or teachers, children, adults, or a mixture of these categories and the type of questions asked and the results from the research.

The Science of ADHD

Real Science Defines ADHD as a Real Disorder

Some of the most well-known research-based organizations worldwide believe that ADHD can be a severe condition with the potential for catastrophic consequences if not correctly diagnosed, treated, and diagnosed.


Causes and Brain Chemistry

Studies have shown that ADHD has an excellent neurobiological foundation.

Although the precise cause has not yet been determined, however, it is clear that genetics is the most significant contributor to the manifestation of the disorder among the population.

In cases in which heredity is not believed to be the cause of pregnancy-related difficulties and exposure to alcohol or smoking, premature birth with an insufficient weight gain, high levels of body lead and postnatal injuries to the prefrontal areas that comprise the brain have been proven to increase the risk of ADHD to various levels.

Research doesn’t back the widely-held belief that ADHD is caused by excessive consumption of sugar, too much television watching, poor parenting of parents, and other social and environmental factors like the effects of poverty or chaos in the family. Of course, many things such as these can cause symptoms to worsen, particularly in some people. However, the evidence supporting these particular aggravating factors isn’t enough to prove that they are the primary cause of ADHD. Another related issue that is gaining evidence of the sensitivity to additives or food like preservatives and colourings. Numerous double-anonymized studies conducted in controlled experiments indicate that these could be important for a subset of children who have ADHD, and a handful of controlled studies suggest that there is a tiny influence on all children regardless of whether or not they have ADHD. More research into this link is needed.


Functional and structural imaging research on the neurochemistry involved in ADHD shows the catecholamine-rich frontal and subcortical systems in the pathophysiology behind ADHD. The efficacy of stimulant medications and the hyperactivity of animals suggest that disruption of catecholamines is the primary cause of ADHD brain dysfunction.





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