Letters to the Editor 19424 Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News May 26, 2004 at 10:30 am This article seems to use “aspirin” and “acetaminophen” interchangeably. Aspirin is acetyl salicylic acid, not acetaminophen (better known as Tylenol). Tom WarmMustang, Okla. Share this:EmailFacebookTwitterPinterestPocketRedditPrint