How Moodiness and Jealousy May Lead to Alzheimer’s

TIME

We’re familiar with many of the brain-related factors that can contribute to Alzheimer’s disease—letting thinking networks go inactive, putting off exercise and healthy eating, having few social connections, enduring head injuries and genetic factors. But what about personality? Can the way you look at the world affect your risk of developing the neurodegenerative disorder?

Dr. Ingmar Skoog, professor of psychiatry and director of the research center on health and aging at the University of Gothenburg believes the answer is yes. In a paper published in the journal Neurology, he and his colleagues show that women with certain personality characteristics in middle age were twice as likely to have Alzheimer’s nearly 40 years later.

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“Getting Alzheimer’s disease is some sort of sum of a lot of different damages to the brain, and different things happening to the brain,” he says. “[Personality] is one…

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