Paraquat, a herbicide banned in 74 countries, encounters growing scrutiny in Australia after reports linked it to incurable illnesses. The chemical remains in use despite international limits. India has just enacted a countrywide prohibition. Studies show exposure to this herbicide may heighten Parkinson’s disease risks. Australian farmers now seek safer options as international bans expand. The controversies come after calls for tighter domestic regulations. Health groups press for stricter measures amid fears of long-term harm. Paraquat’s ongoing use here stands in contrast with its worldwide removal. Debate intensifies over its safety.