9781422285725

CHAPTER ONE

W H A T I S A D R U G ?

Words to Understand addiction: a strong physical and/or mental need for a particular substance or activity. asphyxiation: when oxygen is cut off. depressant: a substance that slows down bodily functions. hypnotic: a type of drug that causes sleep. moderation: limited in amount, not extreme. psychoactive: something that has an effect on the mind and behavior. sedative: a substance that makes a person calm or sleepy. seizures: sudden, involuntary physical reactions, sometimes caused by a chemical imbalance in the body. stimulant: a substance that speeds up bodily functions.

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