| A | B |
|---|
| chemical substance | things we often call drugs |
| vaccine | a chemical substance that protects us from certain diseases |
| addicted | cannot easily stop a drug |
| depressants | chemical substances that slow down the brain |
| marijuana | a drug that comes from the hemp plant |
| prescription | an order written by a doctor for a specific chemical substance |
| cocaine | a very addictive drug from the coca plant |
| tobacco | said to be the most addictive drug in our society - it contains nicotine |
| antibiotic | a chemical substance that slows down or kills bacteria |
| symptom | a sign that you are sick |
| drug abuse | when someone overuses drugs they do not need |
| hallucinogins | illegal drugs that cause the user's brain to see and hear things that are not really there |
| side effect | an additional positive or negative change other than the desired change, caused by a chemical substance |
| stimulants | chemical substances that speed up the way the brain works |
| over-the-counter | a chemical substance such as a pain reliever or cough drops that can be brought without a doctor's perscription |
