CHARLES BACH / SCIENCE PHOTO LIBRARY CHARLES BACH / SCIENCE PHOTO LIBRARY
Aspirin tablets. Aspirin (acetylsalicylic acid) is a painkilling (analgesic) drug. It is a non- prescription drug used to relieve general pain such as headaches. Aspirin is also used to thin the blood, which reduces the risk of blood clots that can cause heart attacks and strokes.
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