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Alzheimer’s: Cell mechanism removes defective protein

Alzheimer’s: Cell mechanism removes defective protein

The buildup of defective tau proteins is a prominent feature of neurodegenerative diseases such as Alzheimer’s. The faulty proteins form tangles that disrupt brain function and kill nerve cells, or neurons. Experiments in human cell cultures reveal a mechanism through which scientists can regulate defective tau protein levels. Now, scientists have identified a molecule that […]

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Can social interaction predict cognitive decline?

Can social interaction predict cognitive decline?

A recent study concludes that social interaction might be more than just a pleasant pastime; it might help doctors predict an individual’s risk of cognitive decline and, perhaps, dementia. How does social interaction influence cognitive decline? Cognitive decline refers to a general reduction in mental abilities over time. It affects many people as they age […]

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These common drugs may increase dementia risk

These common drugs may increase dementia risk

A common class of drugs that doctors prescribe for a number of conditions — from bladder problems to Parkinson’s disease and depression — may increase a person’s risk of dementia, a large new study concludes. Some common drugs may increase dementia risk. New research by scientists from the University of Nottingham in the United Kingdom […]