EPISODE · Jan 16, 2026 · 53 MIN
Toxic Gaslighting: How 3M Executives Convinced a Scientist the Forever Chemicals She Found in Human Blood Were Safe
from ProPublica Narrated · host ProPublica
Decades ago, Kris Hansen showed 3M that its PFAS chemicals were in people’s bodies. Her bosses halted her work. As the Environmental Protection Agency now forces the removal of the chemicals from drinking water, she wrestles with the secrets that 3M kept from her and the world. By Sharon Lerner. Originally published May 20, 2024. Recorded by News Over Audio. Support our journalism by donating at propublica.org/donate.
What this episode covers
Decades ago, Kris Hansen showed 3M that its PFAS chemicals were in people’s bodies. Her bosses halted her work. As the Environmental Protection Agency now forces the removal of the chemicals from drinking water, she wrestles with the secrets that 3M kept from her and the world. By Sharon Lerner. Originally published May 20, 2024. Recorded by News Over Audio. Support our journalism by donating at propublica.org/donate.
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Toxic Gaslighting: How 3M Executives Convinced a Scientist the Forever Chemicals She Found in Human Blood Were Safe
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