Tobacco Smoke Facts
What is Secondhand Smoke?
Secondhand smoke is the smoke that comes from a person who is smoking tobacco. It contains more than 7,000 chemicals; of these chemicals, 70 are known to cause cancer and hundreds are known toxins. (1) The 2006 U.S. Surgeon General’s Report, “The Health Consequences of Involuntary Exposure to Tobacco Smoke,” concluded that there is no risk-free level of secondhand smoke, and the only way to protect people from the dangers of secondhand smoke is to eliminate the smoke exposure.(2)
The U.S. Centers for Disease Control (CDC) and the U.S. Surgeon General created a guide titled "Secondhand Smoke: What it Means to You" . This guide summarizes the 2006 Surgeon General's Report and explains how people can take action to improve their health. The CDC and Surgeon General also created an educational poster and handout titled "Secondhand Smoke is Toxic," to illustrate some of the chemical components in secondhand smoke.
How Does Secondhand Smoke Impact Health?
According to the CDC, 2.5 million nonsmokers have died from exposure to secondhand smoke since 1964.(1) Thousands of people in the U.S. suffer from conditions caused by or made worse by secondhand smoke. Exposure to secondhand smoke increases the risk of health problems such as:
Who Does Secondhand Smoke Harm?
Blue Cross Blue Shield found that 66,699 Minnesotans of all ages were treated for conditions such as these that were caused by secondhand smoke exposure.(3) In 2005, 581 Minnesota infants and adults died from exposure to secondhand smoke.(3)
People of all ages and backgrounds can be affected by secondhand smoke. Vulnerable populations, such as senior citizens and children, are at increased risk from health problems such as heart attack in seniors and asthma in children.(1) The CDC reported that breathing in secondhand smoke has immediate harmful effects on the cardiovascular system and can increase the risk of heart attack; persons who have heart disease are extremely vulnerable.(1)
Why is a Smoke-Free Living Environment so Important?
Secondhand smoke knows no boundaries. The majority of Minnesota adults (86%) are nonsmokers and the majority of Minnesota households have nonsmoking residents.(4) However, residents in multi-unit buildings cannot control if they are exposed to smoke caused by their neighbors; 17% of nonsmoking Minnesotans who live in multi-housing report smelling smoke somewhere in their home(4). Smoke-free policies in multi-housing protect residents from secondhand and thirdhand smoke.
Ventilation and air purifiers cannot completely control or eliminate secondhand smoke. The Center for Energy and Environment, the American Society of Heating, Refrigerating, and Air Conditioning Engineers, and the U.S. Surgeon General all agree that the most effective way to eliminate secondhand smoke is to remove it from the building. To learn more about these experts' reports, go to the Research page.
What is Thirdhand Smoke?
Thirdhand smoke refers to surface-clinging residual nicotine and other chemicals from tobacco smoke that can be found on indoor surfaces or persons around where smoking has taken place. Some surfaces on which thirdhand smoke can be found include hair, skin, drapes, carpet, furniture, cabinets, walls, bedding, dust, and clothing. Thirdhand smoke may pose a health hazard when the chemicals are touched, inhaled, or ingested. Exposure to thirdhand smoke can be especially harmful to children and pets who spend an increased amount of time on the floor, and/or may put things in their mouth.
Due to the fact that the many chemicals in thirdhand smoke breakdown and desorb back into the air at varying rates, the harms of thirdhand smoke can linger long past when secondhand smoke has subsided. The only way to protect residents and staff from the harms of thirdhand smoke is to ban smoking activity indoors.