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ACT FOR CHANGE

Health tracking can help provide critical information to understand the link between environmental contaminants and disease.

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VICTORIES

State of the Evidence 2010
6th Edition of State of the Evidence Published

The science linking breast cancer to our environment mounts.

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STRONG VOICES

Sarah Janseen, M.D., Ph.D., M.P.H.
Sarah Janssen

A physician, scientist, advocate and mother committed to protecting our health and our environment, Dr. Janssen is a 2010 Hero.

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Timing of Exposure

For many years it was believed that the risks of harmful chemicals were directly proportional to the amount of exposure. But scientists now know that the timing, duration and pattern of exposure are at least as important as the dose. The timing of exposure may be especially critical.

So while it's good to limit exposure to toxic chemicals and radiation at every stage of life, it is even more important during critical windows, including gestation, childhood and pregnancy.

  • Prenatal Exposures

    Prenatal chemical exposure can have profound effects on subsequent breast cancer risk.

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  • Childhood and Adolescence

    Girls are entering puberty earlier than a generation ago—in part due to childhood exposures to endocrine disruptors—increasing their risk of breast cancer.

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  • Pregnancy and Lactation

    Exposure to toxic chemicals during this vulnerable period may contribute to increased risks of pregnancy-related breast cancer.

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