Content Vocabulary mainstream smoke sidestream smoke environmental tobacco smoke (ETS) asthma

Passive smoking raises the risks of cancer and heart and lung disease. Health Risks to Others Passive smoking raises the risks of cancer and heart and lung disease. 2

Health Risks to Others Non-smokers who are exposed to tobacco smoke are called passive smokers. Nicotine and other chemicals reach the passive smoker’s bloodstream through mainstream smoke or sidestream smoke. mainstream smoke The smoke that flows through the cigarette and into the lungs when a smoker inhales sidestream smoke The smoke that escapes into the air from the burning tip of a cigarette or cigar, or from burning pipe tobacco 3

Health Risks to Others Environmental tobacco smoke can fill a room, harming everyone who inhales it. environmental tobacco smoke (ETS) The combination of exhaled mainstream smoke and sidestream smoke that enters the air 4

Health Risks to Others ETS Health Risks Asthma can be triggered by exposure to environmental tobacco smoke. asthma Difficulty breathing, with wheezing sounds from the chest caused by air rushing through narrowed passages

Health Risks to Others ETS Health Risks Environmental Tobacco Smoke (ETS) can: Raise the risk of cancer and double the risk of heart disease. Worsen asthma, allergy symptoms, and sinus conditions. Cause headaches, dizziness, and nausea. 6

Health Risks to Others ETS Health Risks Environmental Tobacco Smoke (ETS) can also: Double the risk of lung infections. Cause permanent lung damage, serious middle ear infections, and asthma in children. 7

Health Risks to Others ETS Health Risks ETS contains over 40 known carcinogens. In a closed room with smokers, a non-smoker may inhale more carbon monoxide than is safe. Carbon monoxide has no smell, but one sign of exposure is yawning. 8

Health Risks to Others Smoking Bans Smoking is now banned in most restaurants. Almost every state bans smoking on public transportation, in hospitals, elevators, schools, libraries, and other public spaces. 9

Section Review: Reviewing the Vocabulary What is the difference between mainstream smoke and sidestream smoke? mainstream smoke The smoke that flows through the cigarette and into the lungs when a smoker inhales sidestream smoke The smoke that escapes into the air from the burning tip of a cigarette or cigar, or from a burning tobacco pipe

Section Review: Reviewing the Vocabulary What is the type of smoke that can be inhaled by nonsmokers? environmental tobacco smoke (ETS) The combination of exhaled mainstream smoke and sidestream smoke that enters the air