Time.com | Tiffany Sharples | July 9, 2009
Adding to the deep body of research associating mental acuity with a lower risk of Alzheimer’s disease, a study published online on July 8 by the journal Neurology suggests that people who possess sophisticated linguistic skills early in life may be protected from developing dementia in old age — even when their brains show the physical signs, like lesions and plaques, of memory disorders.
That discrepancy is not unheard of: many elderly patients develop the brain lesions, plaques and tangled neurological-tissue fibers that are indicative of dementia and Alzheimer’s disease, but not all of them exhibit the memory loss and confusion that typically characterize these disorders. In fact, the number of such patients may be greater than researchers first thought. [Read more…]