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Glossary

Anesthetic: An agent that causes insensitivity to pain and is used for surgeries and other medical procedures.

Central nervous system: The brain and spinal cord.

Dementia: A condition of deteriorated mental function.

Dopamine: A brain chemical, classified as a neurotransmitter, found in regions of the brain that regulate movement, emotion, motivation, and pleasure.

Naphthalene: Volatile, active ingredient in mothballs.

Toxic: Causing temporary or permanent effects that are detrimental to the functioning of a body organ or group of organs.

Withdrawal: Symptoms that occur after chronic use of a drug is reduced abruptly or stopped.

This page was last updated July 2012

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