carcinogen

• Formaldehyde, a preservative commonly found in construction materials and that can cause breathing problems, is classified as a carcinogen.
• In recent years, secondhand smoke has emerged as a public health threat, being classified as a carcinogen by the Environmental Protection Agency and linked to heart disease, lung cancer, and a number of respiratory ailments, including asthma and chronic bronchitis. —  NewsInferno
• Alcohol is a carcinogen, and when you swish it in your mouth daily, over the course of years, it can lead to cancer. —  Original Signal - Transmitting Digg
• A carcinogen, they now show up in more than 98 percent of Americans†™ blood, and in 100 percent of 293 newborns tested by scientists in a recent study. —  California Progress Report
• Hexavalent chromium was already listed as a carcinogen, but in December 2008 it was also listed as a developmental and a reproductive toxin. —  OMB Watch - Promoting open government, accountability, and citizen participation since 1983

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