Brain-training games sell themselves as a way to maintain cognitive function, but the evidence isn't there yet. Eva-Katalin/E+ via Getty Images Some 2.3 million of U.S. adults over 65 – more than 4% – ...

Almost everything I thought I knew about right and left brain activity has been stood on its head (so to speak!) by a recent article in my local newspaper. I knew that left-brain dominant people ...