The 2000 study in the scientific journal Regulatory Toxicology and Pharmacology had concluded that the active ingredient in Roundup, glyphosate, did not pose a cancer risk to humans.

A controversial scientific paper that claimed the weed killer glyphosate (brand name Roundup) "does not pose a health risk to ...

Roundup was first brought to market by Monsanto in 1974. Its active ingredient, glyphosate, had been rediscovered by chemists Phil Hamm and John Franz four years prior – it had first been synthesized ...