| A | B |
|---|
| tobacco | The leaves of cultivated tobacco plants prepared for smoking, chewing, or use as snuff. |
| nicotine | A poisonous, addictive substance found in tobacco and responsible for many of the effects of tabacco. |
| secondary reinforcers | Stimuli that are not necessarily pleasurable in themselves, but that are associated with ohter stimuli that are pleasurable. |
| cigarette tar | A brown, sticky mass created when the chemical particles in tobacco smoke condense. |
| carcinogen | Any substance that causes cancer. |
| cocarcinogen | A substance that works with a carcinogen to cause cancer. |
| cerebral cortex | The outer layer of the brain, which controls complex behavior and mental activity. |
| coronary heart diseases (CHD) | Cardiovascular disease caused by hardening of the arteries that supply oxygen to the heart muscle. |
| atherosclerosis | Cardiovascular disease caused by the deposit of fatty substances in the walls of the arteries. |
| plaque | A deposit on the inner wall of blood vessels; blood can coagulate around plaque and form a clot. |
| angina pectoris | Chest pains due to coronary heart disease. |
| myocardial infarction | A heart attack caused by the complete blockage of a main coronary artery. |
| emphysema | A disease characterized by a loss of lung tissue elasticity and breakup of the air sacs. |
| chronic bronchitis | Recurrent, persistent inflammation of the bronchial tubes. |
| sinusitis | Inflammation of the sinus cavities; symptoms include headache, fever, and pain. |
| enviornmental tobacco smoke (ETS) | Smoke that enters the atmosphere form the burning end of a cigarette, cigar, or pipe, as well as smoke that is exhaled by smokers. |
| mainstream smoke | Smoke that is inhaled by a smoker and then exhaled into the atmosphere. |
| sidestream smoke | Smoke that comes from the burning end of a cigarette, cigar, or pipe. |
