Anne Bernays leaves the Walter Lippmann House after teaching a fiction writing class for Nieman Foundation fellows at Harvard University in Cambridge, Mass. Kayana Szymczak for NPR hide caption

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At 72, Robert McSherry says he's not yet ready to quit driving or ready to plan how he'll get around when that time arrives. But he's happy to get the insurance discount that comes with taking a driver safety class. John Daley/Colorado Public Radio hide caption

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To mark his 90th birthday, Dick Van Dyke has published a book with tips on how to stay young. Richard Shotwell/Invision/AP hide caption

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Belle Likover, a 95-year-old retired social worker, told Case Western Reserve medical students that growing old gracefully is all about being able to adapt to one's changing life situation, including health challenges. Lynn Ischay/Kaiser Health News hide caption

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Tablets of Lipitor and its generic equivalent, atorvastatin, are among the drugs commonly prescribed to prevent heart attacks and strokes among people at risk. Paul J. Richards/AFP/Getty Images hide caption

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Peter Lee, executive director of Covered California, (left) poses with his uncle, Philip Lee, and father Peter Lee (seated) at the younger Peter Lee's home in Pasadena, Calif., in 2013. Gina Ferazzi/LA Times via Getty Images hide caption

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