Formerly employed by The Sydney Morning Herald, The Bulletin magazine, and Australian Associated Press, she specialises in writing about human health and medicine.
[2][better source needed] Sweet worked as a medical writer for the Australian Associated Press for six years, starting in 1987, and later served as a senior account manager in healthcare for Hill and Knowlton, a public relations firm, from 1993 to 1994.
She returned to journalism in 1994, working as a medical writer for the Sydney Morning Herald and a columnist for Good Weekend magazine until 1998.
[citation needed] Sweet has been a freelance journalist, with a regular column in the Adelaide Independent Weekly until 2005.
[citation needed] She co-founded YouComm News, an Australian open-source community journalism project, in 2010.