| A | B |
|---|
| drug | any substance other than food that causes changes in the body |
| medicines | drugs used to help fight illnesses |
| side efffects | unneeded changes in the body caused by medicines |
| prescription | an order from a doctor for medicine |
| prescription medicine | medicines that cannot be bought without a doctor's order |
| over-the-counter (OTC) medicine | medicines that can be bought without a doctor's order |
| caffeine | a drug found in coffee, chocolate, and cola drinks |
| alcohol | a drug found in beer, wine, and whiskey |
| tobacco | the filling inside cigarettes and cigars |
| nicotine | a substance in tobacco smoke that makes the opening of the blood vessels narrower |
| carbon monoxide | a gas in tobacco smoke that takes the place of oxygen in the smoker's blood |
| tar | a sticky brown substance that coats the inside of a smoker's windpipe |
| lung cancer | a disease where lumps grow in the lungs |
| emphysema | a disease caused when tobacco smoke tears some of the air sacs in the lungs |
| alcoholism | a disease where people need alcohol to feel normal |
| alcoholics | people who need alcohol to feel normal |
| pharmacists | specially trained workers who know how to prepare medicines |
