SSI: An Introduction

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Silent Spring Institute is a mission-driven scientific research organization dedicated to uncovering the environmental causes of breast cancer

Our independent research is empowering a revolution in environmental health to prevent cancers by reducing people's exposure to harmful chemicals where they live, work, and play.

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Our innovative research is made possible thanks to philanthropic partners, foundations, and dedicated supporters like you.

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  • Core Values

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    We believe everyone has a right to clean air, clean water, and safer products and that no one should get sick from toxic chemicals.

  • Our Science

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    We are creating new knowledge about cancer-causing chemicals—how we are exposed and how they affect our health.

  • Our Impact

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    Our work is strengthening policies to protect consumers from toxics while making prevention a national research priority.

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4 Ways Chemical Exposures Can Impact Breast Health

Toxic chemicals linked with early breast development, difficulty breastfeeding, high breast density, and breast cancer risk

Scientists call on regulators to update their methods for screening chemicals that could harm the breast.

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Massachusetts PFAS and your health study

Massachusetts PFAS and Your Health Study

We are investigating the relationship between PFAS contaminants in drinking water and their effects on human health. Findings from the study will inform policies to protect public health and support communities in reducing their exposures.

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The POWER Study

Using social media to help Black women reduce their exposures to harmful ingredients in products that affect their health and contribute to health disparities.

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Detox Me app
Breast cancer and the environment