Harvard Health Blog

The Couric-Jolie effect: The impact of celebrities' medical advice

By: Robert H. Shmerling, MD, Faculty Editor, Harvard Health Publications Some called it the Katie Couric effect. Soon after her husband died of colon cancer in 1998, the journalist and television personality had a televised colonoscopy to promote the test. Rates of screening colonoscopies soared for at least a year. Or, call it the Angelina Jolie effect. In 2013, the actress wrote an editorial in the New York Times about the tests she had…

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