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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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  • 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

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

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

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Thank you to all our friends and supporters for making our 2024 Gala Celebration a tremendous success!

Dr. Mary Beth Terry

An internationally renowned cancer epidemiologist, Dr. Terry was chosen for her leadership and expertise in environmental risk factors for breast cancer, as well as her commitment to breast cancer prevention, community engagement, and health equity. 

chemical safety testing to identify breast carcinogens

Silent Spring scientists advance understanding of how endocrine disrupting chemicals influence breast cancer risk.

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Breast cancer and the environment