Answer to Question 1
With ADHD, onset occurs by age 7 and is marked by symptoms that must persist for at least 6 months. The reason for the diagnostic delay is to take into account the fact that many things may prompt children to exhibit symptoms very much like ADHD. Loss of a loved one, chaos in the home environment, being picked on severely by others in school, can all cause the symptoms that in other cases would be indicative of ADHD. With ADHD, it is also important to note the degree of overactivity. Most children engage in high levels of activity from time to time. With ADHD, however, the child appears to always be on. The child with ADHD is also unable to control acting out behaviors and may become physically agitated due to difficulty in maintaining control. Children with ADHD are also very impulsive and may show high levels of anxiety. Research suggests some possible biological components to ADHD, from improper functioning of the thyroid to potential brain dysfunction, which may affect the inhibitory control portions of the frontal cortex.
Answer to Question 2
A
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