Bipartisan support at the federal and state levels is escalating to ban the sale and use of paraquat in the United States. Prohibited in 70 countries, including China and the European Union, paraquat is the center of concern for researchers studying Parkinson’s disease. The weed killer is sprayed on almonds, apples, grains, grapes, strawberries, and many other common crops. Parkinson’s is the fasting-growing neurological disease, according to the Parkinson’s Foundation, impacting around 1.1 million people in the United States who live with the condition. The disease is a progressive brain disorder that damages dopamine-producing neurons. Symptoms include tremors, stiffness, slow movement, and non-movement issues like depression and sleep problems....