2014-12-31-世界卫生组织-WHO_s_role,_mandate_and_activities_to_counter_the_world_drug_problem_17页_293kb

Despite its public health principles, the WTO also plays a role in the international drug control system under the treaties.

Conclusion

WHO's work involves preventive measures, treatment, blood-borne infection control, and promoting rational use of controlled medicines to reduce harm from illicit drug use while ensuring legitimate medical access.