The most famous medicine in the world, aspirin is also one of the most extensively researched drugs in history. Since its market introduction under the trademarked name in 1899, Aspirin has attained worldwide trust and use. Most people trust the classic Aspirin, which has been present in houses around the world for over 100 years, as an effective therapy for pain, inflammation and fever. Aspirin is surprisingly versatile for alleviating headaches, body pains, backaches and other symptoms that interfere with everyday life.