Can someone develop ADHD or attention problems because of an inadequate environment, parental negligence, or understimulation during childhood?

Can an eight-year-old child with unmedicated ADHD have problems with insomnia?

What are the long-term effects of Concerta and Ritalin, and how are doses reduced?

Is there a relationship between anxiety and attention deficit disorder?

Where can I find help if I have ADHD?  

How serious is ADHD?

Can adults also suffer from attention deficit disorder?

Are boys and girls affected differently by attention deficit disorders?

What is the difference between attention deficit and attention deficit with hyperactivity?

What are the diagnosis criteria of attention deficit?