Drug: Any
absorbed substance, other than food, that changes or enhances any physical or
psychological function in the body.
Drug use: The taking of a drug for its intended purpose in appropriate amount, frequency, strength, and manner.
Drug therapeutics: The proper use of drugs in treating and preventing diseases and preserving health.
Drug misuse: The taking of a substance for its intended purpose, but not in the appropriate amount, frequency, strength, or manner.
Drug abuse: The deliberate use of a substance for other than its intended purpose, in a manner that can damage health or ability to function.
Psychoactive drug: A chemical substance that alters one’s thinking, perceptions, feelings, and behavior.
Drug dependence: A chronic, progressive, and relapsing disorder that applies to all situations in which drug users develop either a psychological or physical reliance on a drug.
Tolerance: Adaptation of the body to a drug in such a way that repeated exposure to the same dose results in less effect on the body.
Drug use: The taking of a drug for its intended purpose in appropriate amount, frequency, strength, and manner.
Drug therapeutics: The proper use of drugs in treating and preventing diseases and preserving health.
Drug misuse: The taking of a substance for its intended purpose, but not in the appropriate amount, frequency, strength, or manner.
Drug abuse: The deliberate use of a substance for other than its intended purpose, in a manner that can damage health or ability to function.
Psychoactive drug: A chemical substance that alters one’s thinking, perceptions, feelings, and behavior.
Drug dependence: A chronic, progressive, and relapsing disorder that applies to all situations in which drug users develop either a psychological or physical reliance on a drug.
Tolerance: Adaptation of the body to a drug in such a way that repeated exposure to the same dose results in less effect on the body.