That rock‑solid study that regulators leaned on for decades to claim glyphosate was harmless? It's gone. The journal formally retracted the 2000 paper after admitting it was ghostwritten by the chemical's maker, leaving a crater where public trust once stood.

Last week, the journal Regulatory Toxicology and Pharmacology retracted a paper published in 2000 that concluded the herbicide glyphosate, the main ingredient in Roundup, is safe for humans.

"It was like a bomb dropped," said Beatrice Olivastri, CEO of Friends of the Earth Canada.

"It's really a foundational paper against which a lot of regulatory agencies made decisions about whether or not glyphosate was safe."

The retraction notice cited documents made public through litigation in the U.S. that suggest employees of Monsanto, wh

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