SOURCES
THE SCIENTIFIC EVIDENCE linking secondhand smoke to serious health risks is clear and overwhelming. Below are some of the key facts. Read them, learn them, and pass them on. A smoke-free Colorado matters more than words can say.

SECONDHAND SMOKE kills more than 53,000 nonsmokers each year. � 1

SECONDHAND SMOKE is a combination of sidestream smoke (smoke emanating from the burning tip of a cigarette, pipe or cigar) and mainstream smoke (smoke exhaled from the lungs of a smoker). � 2

SECONDHAND SMOKE contains over 4,000 chemicals�and at least 60 of these are known to cause cancer. � 3

AMONG THE DOZENS of toxic chemicals in secondhand smoke are: acetone, acetic acid, aluminum, ammonia, arsenic, benzene, butane, copper, carbon monoxide, DDT, formaldehyde, hydrogen cyanide, lead, magnesium, methane, methanol, nicotine, nitrous oxide, silicon, stearic acid, sulfur dioxide, titanium, vinyl chloride. � 4

SMOKE-FILLED rooms contain up to six times the air pollution of a busy highway and are the number one source of indoor pollution in Colorado. � 5
© 2005 Smoke-Free Colorado