By Suzanne Burdick, Ph.D. | The Defender | January 19, 2023 Swiss chemical giant Syngenta and Chevron USA for decades covered up research showing long-term exposure to the weedkiller paraquat could cause the incurable brain ailment known as Parkinson’s disease, internal documents reveal. “It’s jaw-dropping information because at the same time, the companies were saying publicly the opposite […]
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