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% – ...

We usually don't think much about it, but our brain is pretty amazing! This three-pound organ is in charge of everything—from our thoughts and memories to our emotions and decision-making. And yet, ...

Some 2.3 million U.S. adults over 65 — more than 4% — have a diagnosis of dementia. But even without a diagnosis, a certain amount of cognitive decline is normal as age sets in. Whether it’s due to ...