NEW ORLEANS — Every three seconds someone in the world develops a case of dementia. The estimated cost of that brain illness is a staggering $1.3 trillion. But you can lower your risk by knowing the ...

Why should I get a memory test? As we age, our brains undergo both anatomical and chemical changes. Shrinkage begins in our 30s and 40s, with the prefrontal cortex, cerebellum and hippocampus ...