Hand holding white pills

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Known as an extract from willow bark for millenia aspirin is the most widespread drug and painkiller in the world It acts by blocking the production of prostaglandins which serve to amplify nerve signals of pain to the brain COX2 enzymes produce prostaglandins in abundance during a trauma and acetylsalicylic acid bonds to them and does not allow them to perform this function When ingested aspirin travels throughout the body although it only works where prostaglandins exist

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Location: Chicago USA
Photo credit: © Custom Medical Stock Photo / Alamy / Afripics
License: Royalty Free
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