Saying No to Secondhand Smoke

As long as people continue to smoke tobacco, secondhand smoke will threaten the health of nonsmokers. Still, you can take steps to protect yourself and your children from other people's smoke­p;at home, at work, and in public places.


Saying No at Home


Your husband or wife smokes and you don't. Every time your mother visits and smokes, your son has an asthma attack. Your babysitter smokes.

How can you and your children share air space at home with smokers without risking your health? Here are some ideas to help you clear the air.

How To Say No


If You Live With a Smoker


When Visitors Come


In Others' Homes


If You Have Children

Other health effects that were found to be possibly associated with ETS were as follows:

Spontaneous abortion (miscarriage);

Adverse impact on cognition and behavior during child development;

Exacerbation of cystic fibrosis (a disease marked by overproduction of mucus in the lungs);

Decreased lung function; and

Cervical cancer.
However, further research is needed to confirm the link between the above health risks and ETS.

Carcinogenic Effects of ETS
More than 3,000 chemicals are present in tobacco smoke, including at least 60 known carcinogens such as nitrosamines and polycyclic aromatic hydrocarbons. Some of these compounds become carcinogenic only after they are activated by specific enzymes (proteins that control chemical reactions) found in many tissues in the body. These activated compounds can then become part of deoxyribonucleic acid (DNA) molecules and possibly interfere with the normal growth of cells. Tobacco also contains nicotine, a chemical that causes physical addiction to smoking and makes it difficult for people to stop smoking.

Although much of the research into the carcinogenicity of ETS has focused on lung cancer, ETS has also been linked with other cancers, including those in the nasal sinus cavity, cervix, breast, and bladder. The role of ETS in the development of nasal sinus cancer has been investigated in three recent studies; all three showed a significant positive association between ETS exposure and the development of nasal sinus cancer in nonsmoking adults. Several studies that focused on ETS as a risk factor for cervical cancer have shown a possible association between ETS and cancer of the cervix, although no specific conclusions could be made. Similarly, studies of the relationship between ETS exposure and breast cancer suggested an association between the two, but the evidence was weak. Although active smoking has been identified as a cause of bladder cancer, the results of studies focusing on ETS and bladder cancer have not been conclusive. More research is needed into the impact of ETS on nonsmokers' risk for cancers of the cervix, breast, and bladder.

 

 


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