Artemisinin is widely used in the treatment of malaria, particularly effective against Plasmodium falciparum, the most deadly malaria parasite. It acts rapidly to reduce the number of parasites in the bloodstream, making it a key component of Artemisinin-based Combination Therapies (ACTs), which are the standard of care recommended by the World Health Organization. Due to its fast action and high efficacy, artemisinin has significantly reduced malaria-related deaths in endemic regions. It is also being studied for potential antiviral, anti-inflammatory, and anticancer properties, with some research exploring its use in treating certain types of cancer and viral infections.