Addiction

the fact or condition of being addicted to a particular substance, thing, or activity.

Blood alcohol content

measurement of alcohol intoxication used for legal medical purposes.

Cannabis

a tall plant with a stiff upright stem, divided serrated leaves, and glandular hairs. It is used to produce hemp fiber and as a drug.

Carcinogen

a substance capable of causing cancer in living tissue.

Dependence

the state of relying on or being controlled by someone or something else.

Depressant

reducing functional or nervous activity.

Detoxification

the process of removing toxic substances or qualities.

Drug

a medicine or other substance that has a physiological effect when ingested or otherwise introduced into the body.

Hallucinogen

a drug that causes hallucinations, such as LSD.

Inhalant

a medicinal preparation for inhaling.

Intoxication

the state of being intoxicated, especially by alcohol.

Naloxone

a synthetic drug, similar to morphine, which blocks opiate receptors in the nervous system.

Nicotine

a toxic colorless or yellowish oily liquid that is the chief active constituent of tobacco. It acts as a stimulant in small doses, but in larger amounts blocks the action of autonomic nerve and skeletal muscle cells. Nicotine is also used in insecticides.

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Opiate

relating to, resembling, or containing opium.

Overdose

an excessive and dangerous dose of a drug.

Potency

the power of something to influence or make an impression.

Prescription drug

A prescription drug is a pharmaceutical drug that is permitted to be dispensed only to those with a medical prescription. In contrast, over-the-counter drugs can be obtained without a prescription.

Psychedelic drug

Psychedelics are a subclass of hallucinogenic drugs whose primary effect is to trigger non-ordinary mental states and an apparent expansion of consciousness

Recovery

a return to a normal state of health, mind, or strength.

Relapse

suffer deterioration after a period of improvement.

Sedative

promoting calm or inducing sleep.

Stimulant

a substance that raises levels of physiological or nervous activity in the body.

Tobacco

a preparation of the nicotine-rich leaves of an American plant, which are cured by a process of drying and fermentation for smoking or chewing.

Tolerance

the ability or willingness to tolerate something, in particular the existence of opinions or behavior that one does not necessarily agree with.

Withdrawal

the action of withdrawing something.