We've updated the title from “This popular painkiller also kills kindness” to that of the linked study: https://academic.oup.com/scan/article/11/9/1345/2224135/

We've updated the title from “This popular painkiller also kills kindness” to that of the linked study: https://academic.oup.com/scan/article/11/9/1345/2224135/From-painkiller-to-empathy-killer-acetaminophen https://academic.oup.com/scan/article/11/9/1345/2224135/From....