" The April issue of Mayo Clinic Women's HealthSource discusses the latest on secondhand smoke, which contains thousands of chemicals and dozens of known carcinogens."

" For years, doctors have known the relationship between secondhand smoke and cancer. Annually in the United States, about 3,000 nonsmokers get lung cancer due to secondhand smoke exposure. Other adverse health affects attributed to secondhand smoke include:"

" -- More recently, researchers have learned that secondhand smoke reduces antioxidants in the blood of nonsmokers, which can increase the accumulation of low-density lipoprotein (LDL), or "bad" cholesterol."

" -- Secondhand smoke affects blood vessels of adults almost immediately. Five minutes of exposure to secondhand smoke reduces the ability of the aorta
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