Paraquat, a herbicide banned in 74 countries, faces rising scrutiny in Australia after reports linked it to incurable illnesses. The chemical remains in use despite global restrictions. India recently introduced a countrywide prohibition. Studies suggest exposure to paraquat may increase Parkinson’s disease risks. Australian farmers have begun seeking safer alternatives as international bans grow. The controversies stem from calls for tighter national regulations. Health groups call for stricter measures amid fears of long-term damage. Paraquat’s ongoing use here differs with its worldwide withdrawal. Debate grows over its safety.