TOBACCO

nicotine

an addictive drug found in tobacco leaves and in all tobacco products

addictive

capable of causing a user to develop intense cravings

tar

a thick, oily, dark liquid that forms when tobacco burns

carbon monoxide

a poisonous, colorless, odorless gas

smokeless tobacco

ground tobacco that is chewed or inhaled through the nose

chronic obstructive pulmonary disease (COPD)

a condition in which passages in the lungs become swollen and irritated, eventually losing their elasticity

cardiovascular disease

a disease of the hear and blood vessels

tolerance

a process in which the body needs more and more of a drug to get the same effect

physical dependence

a type of addiction in which the body itself feels a direct need a drug

psychological dependence

an addiction in which the mind sends the body a message that it needs more of a drug

withdrawal

physical and psychological reaction that occur when someone stops using an addictive substance

secondhand smoke

environmental tobacco smoke (ETS)

sidestream smoke

smoke that comes directly from a burning cigarette, pipe, or cigar

mainstream smoke

smoke that is exhaled by a smoker

passive smoker

a nonsmoker who breathes in secondhand smoke

negative peer pressure

pressure you feel to go along with harmful behaviors or beliefs of others your age