Is Secondhand Smoke Dangerous?
Yes it is! This smoke is a mixture of gases and fine particles containing more than 4,000 chemicals. Many of these can cause harmful health effects. For example, secondhand smoke contains over 50 chemicals known to cause cancer, such as benzene, chromium, and formaldehyde. Other toxic chemicals in secondhand smoke include cyanide and carbon monoxide. Children may be exposed to secondhand smoke in homes and daycare, at outdoor smoking areas, in cars, and anywhere that people are smoking.