SSI: An Introduction

female scientist

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.

Learn More About SSI

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

Support our work

  • Core Values

    asian family in kitchen

    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

    our science

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

  • Our Impact

    woman shopping

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

Explore

tap water filter for PFAS

Use of home water filters linked with lower levels of PFAS in the body

People who live longer in communities with contaminated drinking water also have higher levels of PFAS in their blood, new study finds.

Read more
Gala Celebration 2026

Gala Celebration 2026

Join us in celebrating the breakthroughs, bold ideas, and leaders advancing cutting-edge prevention science to stem the rise in early-onset cancers and create a healthier future.

Read more
woman holding dental floss

Oral-B stops using Teflon in its popular Glide dental floss

The change comes after years of public and scientific scrutiny, sparked by a landmark study by Silent Spring identifying dental floss as a potential source of PFAS exposure.

Read more
Detox Me app
Breast cancer and the environment