Summary:
The medical community believes ADHD is due to a lack of norepinephrine, a chemical messenger needed by the brain to inhibit muscle activity and impulsive behavior. Ritalin is a chemical that tries to do what the body itself can do naturally. Unfortunately, it can have enormous harmful affects such as anxiety, tension, insomnia, dizziness, headaches and Tourette's syndrome.

There are literally thousands of children in your community who will be labeled as having ADHD. The most common "symptoms" are: fidgeting, squirming, running and climbing (instead of sitting,) talking incessantly, blurting out statements, being easily distracted or forgetful, losing things, not listening and failing to pay attention. These are symptoms of central nervous system disorder. This is a neurological problem. This is a chiropractic problem.

Full Article: The Chiropractic Journal