Some 2.3 million of 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. And whether it's due to ...

Walnuts might be the key to cracking open a sharper mind. New research suggests that eating a handful at breakfast could give ...

Memory actually takes many different forms. We know that when we store a memory, we are storing information. But, what that information is and how long we retain it determines what type of memory it ...