Addiction: A chronic, relapsing disease characterized by compulsive drug seeking and use despite serious adverse consequences, and by long-lasting changes in the brain.
Anesthetic: An agent that causes insensitivity to pain and is used for surgeries and other medical procedures.
Attention deficit hyperactivity disorder (ADHD): A disorder that typically presents in early childhood, characterized by inattention, hyperactivity, and impulsivity.
Central nervous system (CNS): The brain and spinal cord.
Craving: A powerful, often uncontrollable desire for drugs.
Dopamine: A brain chemical, classified as a neurotransmitter, found in regions that regulate movement, emotion, motivation, and pleasure.
Neurotransmitter: A chemical produced by neurons that carry messages from one nerve cell to another.
Psychosis: A mental disorder characterized by delusional or disordered thinking detached from reality; symptoms often include hallucinations.
Rush: A surge of pleasure (euphoria) that rapidly follows the administration of some drugs.
Stimulants: A class of drugs that enhance the activity of monoamines (such as dopamine and norepinephrine) in the brain, increasing arousal, heart rate, blood pressure, and respiration, and decreasing appetite; includes some medications used to treat attention deficit hyperactivity disorder (e.g., methylphenidate and amphetamines), as well as cocaine and methamphetamine.
Tolerance: A condition in which higher doses of a drug are required to produce the same effect achieved during initial use; often associated with physical dependence.
Toxic: Causing temporary or permanent effects 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.
Cite this article
NIDA. (2013, September 19). Methamphetamine. Retrieved from https://www.drugabuse.gov/publications/research-reports/methamphetamine
This series of reports simplifies the science of research findings for the educated lay public, legislators, educational groups, and practitioners. The series reports on research findings of national interest.