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Secondhand smoke increases the risk of breast cancer in young women, although many experts still refuse to accept the research, published by the California Environmental Protection Agency in 2006, because no study has conclusively linked direct smoke inhalation to breast cancer, Dr. Stan Glantz, director of the Center for Tobacco Control Research and Education at the University of California, San Francisco, claimed in his Thursday lecture at the Dartmouth-Hitchcock Medical Center.
Glantz likened the breast cancer researchers who doggedly oppose the California EPA's findings to "religious fanatics," referring to their unwillingness to accept the findings.
The link between smoke inhalation and breast cancer, which Glantz called "the most important scientific development in the last 10 years," follows logically, according to Glantz, because cigarettes contain many known mammary carcinogens, such as benzene.
"If you're a breast cell minding your own business and some benzene from smoke goes floating by, it doesn't have a sign on it saying, 'I'm a cigarette, never mind,'" Glantz said.