SuperAger Carol Seigler is shown with her grandchildren (from left): Alex Siegler, 23; Elizabeth Siegler, 27; Carol Siegler, 85; Megan Boyle, 18; Conor Boyle, 17; Jacob Siegler, 29. Photo courtesy Jennifer Boyle

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Secrets of ‘Cognitive SuperAgers’

SuperAgers are older adults who possess brains as sharp as people 20 to 30 years younger