Show:
Definitions
Cigarettes
Diseases
Statistics
100
A physical or psychological dependence on a substance or activity 
What is an addiction? 
100
Smoke inhaled by nonsmokers
What is passive (secondhand) smoke?
100
The leading cause of cancer deaths among males
What is lung cancer?
100
The fraction that tells how many people begin smoking as teens will eventually die from a smoking-related cause
What is one-third?
200
Tobacco that is sniffed through the nose or chewed
What is smokeless tobacco?
200
A colorless, odorless, poisonous gas that passes through the lungs into the blood
What is carbon monoxide?
200
An inflammation of the bronchi in the lungs, more common among smokers than among nonsmokers
What is bronchitis? 
200
The number of Americans who are regular users of smokeless tobacco
What is 12 million?
300
A drug that increases the action of the central nervous system, the heart, and the other organs 
What is a stimulant?
300
The smoke that the smoker blows off 
What is mainstream smoke?
300
A smoking-related disease in which the alveoli in the lungs burst and blend to form fewer, larger sacs with less surface area 
What is emphysema? 
300
The period of time after quitting smoking in which an ex-smoker's oxygen levels rise to normal
What is 8 hours?
400
Cancer-causing substances
What are carcinogens? 
400
Increased risk of spontaneous abortion and prenatal death, low birth weight, and growth and development problems during early childhood 
What are some risks of smoking during pregnancy? 
400
Thickened, white, leathery-appearing spots on the inside of a smokeless tobacco user's mouth
What are leukoplakia?
400
The number of American teens who light up their first cigarette every day 
What is 6,000?