| A | B |
| Drug | any substance that causes physical or mental changes in the body |
| Prescription Medicine | medicine that can only be purchased with a doctor's order |
| Medicine | a drug used to prevent, treat, or cure an illness |
| Over-the-Counter Medicine | medicine that can legally be purchased without a doctor's order |
| Drug Abuse | taking an illegal drug OR using a legal drug in a way that doesn't treat a medical condition |
| Illegal Drugs | dangerous, powerful drugs that cannot be legally purchased |
| Addiction | an uncontrollable need to use a drug in order to function |
| Emotional Dependence | feeling like you must take a drug to function; no physical reaction |
| Physical Dependence | feeling sick or having physical reactions if you try to stop taking a drug |
| Tolerance | needing to increase the amount of a drug you take to feel the same effect |
| Nicotine | the drug found in tobacco products that causes dependence and speeds up the heart |
| Tar | the dark sticky mixture of chemicals formed by burning tobacco; coats the lungs and leads to lung cancer |
| Carcinogen | a substance that causes cancer |
| Carbon Monoxide | the clear, odorless gas formed by smoking which interferes with the body's ability to carry oxygen |
| Emphysema | a lung disease many smokers get which causes the air sacks to break down |
| Alcoholism | an addiction to alcohol which may lead to problems at work and with family and friends |
| Cirrhosis | a life-threatening disease that destroys healthy cells in the liver |
| Intoxication | a condition where alcohol has affected the person's coordination, judgement, and/or reaction time |
| Secondhand Smoke | harmful tobacco smoke breathed by being in an area where someone is smoking |
| Advertisement | misleading promotions of harmful legal drugs that try to make them appear to lead to fun and glamour |