... this doesnt ensure you arent consuming residual herbicides. This one is linked to Parkinsons and Alzheimers disease and the ... This herbicide has been in use since the 1960s and is becoming popular because of glyphosate-resistant weeds. Find out how it ... The herbicide paraquat dichloride, also called paraquat, has been in use since the 1960s and is growing in popularity with the ...