Monday, 15 August 2011

Causes Of Attention Deficit Disorder (ADHD/ADD)

Parents may blame themselves when a child is diagnosed with ADHD, but the likely causes have more to do with inherited traits of parental choice. At the same time, environmental factors may contribute to exacerbate the child's behavior. Although there are still many who do not know about ADHD, several factors may cause:

Altered brain function and anatomy. Although the exact cause of ADHD is still a mystery, brain scans have revealed significant differences in the structure and activity of the brains of people with ADHD. For example, there seems to be less activity in brain areas that control attention and activity.

Inheritance. ADHD tends to run in families. Several genes that may be associated with ADHD is being examined.

Maternal smoking, drug use and exposure to toxins. Pregnant women who smoke have an increased risk of ADHD children. Alcohol or pregnant drug can reduces cellular activity nerve (neuronal) who neurotransmitters produce. Pregnant women who are exposed to environmental toxins may also be more likely for children with ADHD symptoms.

Exposure of children to environmental toxins. Preschool children exposed to certain toxins are at increased risk of developmental problems and behavioral problems. Exposure to lead, which is found mainly in paint and pipes in old buildings, has been linked to disruptive and even violent and attention span.

Food additives. Substances added to foods, such as dyes and preservatives in food can contribute to hyperactive behavior. Although sugar is a popular suspected cause of hyperactivity, there is no reliable evidence that.

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