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Kaiser Permanente CEO Bernard Tyson dies at 60

Bernard Tyson, the CEO of Kaiser Permanente, died in his sleep early Sunday at the age of 60, the company confirmed to CNN Business. Tyson had served as chief executive since 2013 and chairman since 2014 after a more than

Researchers study why women bear Alzheimer's burden

At the Alzheimer's Association International Conference in Chicago this week, researchers are exploring biological and social differences that might explain why more women than men develop Alzheimer's and other types of dementia.