Risk factors for heart disease linked to dementia

A large, long-term study showed that certain heart disease risk factors in midlife—diabetes, elevated blood pressure, and smoking cigarettes—are associated with an increased risk for dementia.

Image of a brain scan

Water changes mark Parkinson’s disease progression

Scientists developed a new way to detect brain changes caused by Parkinson’s disease. The technique may be useful for assessing the effects of potential treatments.

Mouse hypothalamus

Brain cells that influence aging

Researchers discovered stem cells in the brain that influence how quickly mice age. The findings suggest new approaches to age-related diseases and lengthening lifespan.

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