Alzheimer's disease: a personality trait that doubles the risk of dementia

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In the new in a study, scientists discuss how two personality traits can predispose people to neurodegenerative diseases.

Study links low consciousness and neuroticism to signs of Alzheimer's disease.

Researchers from Florida State University College of Medicine found that brain changes associated with Alzheimer's disease are often seen early in people with two personality traits.

The meta-analysis included pooling data from the Baltimore Longitudinal Study of Aging and a previously published work summarizing 12 studies involving a total of 3,000 participants.

People with high neuroticism and low conscientiousness personality traits have previously been shown to have a faster decline and an increased risk of Alzheimer's disease.

Previous work has shown that neuroticism, which refers to people who feel anxious, gloomy, anxious, and guilty, has different subtypes that are encoded by different genes.

A personality trait that commonly develops in people who have survived trauma and adversity doubles the risk of Alzheimer's disease. Similarly, researchers have previously demonstrated the life-extending benefits of mindfulness, a personality trait that reflects people's tendency to be organized and disciplined.

Studies have shown that people with high levels of mindfulness have an 89 percent lower risk of developing Alzheimer's than in people with a low score.