Source: http://www.bbc.com/news/health-23159127
Stashed in: Brain, Alzheimer's, Aging
Keeping mentally active by reading books or writing letters helps protect the brain in old age, a study suggests.
Reading and writing are useful at any age.
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Discoveries of a study looking at more than 1,600 people over the age of 90:
9:23 AM May 15 2014