| A | B |
| Alcoholic | people addicted to alcohol |
| Drug | a substance that alters the way the body or mind functions |
| Marijuana | dried leaves and tops of the cannabis plant that is smoked, eaten or drunk for its intoxicating effects |
| Inhalants | substances with fumes that are sniffed and inhaled to give a hallucinogenic high |
| Tolerance | a condition in which the body becomes used to a substance and needs more of it for an effect |
| Withdrawal | stops using it unpleasant reactions, such as chills, vomiting, and cramps, experienced when a person who is physically dependent on a drug |
| Tar | a thick, sticky, dark fluid produced when tobacco burns. |
| overdose | a strong, sometimes fatal reaction to taking a large amount of a drug |