Paraquat, a herbicide banned in 74 countries, faces rising scrutiny in Australia after reports linked it to incurable illnesses. The chemical is still applied despite international limits. India implemented a nationwide ban. Studies show exposure to this herbicide may increase Parkinson’s disease risks. Australian farmers now seek safer alternatives as international bans expand. The controversies follow calls for tighter national regulations. Health groups call for stricter controls amid fears of long-term effects. Paraquat’s ongoing use here contrasts with its worldwide withdrawal. Debate intensifies over its hazard potential.