NSAIDs are among the most common pain relievers in the world. And lately, they're among the most controversial. Find out what these anti-inflammatory pills actually do inside your body. NSAIDs ...

There are some 20 traditional nonsteroidal anti-inflammatory drugs or NSAIDs, including aspirin, ibuprofen (Advil and Motrin), naproxen (Aleve), indomethacin (Indocin), and piroxicam (Feldene).