Brain shrinkage has been linked to Alzheimer's disease through research that shows the brain begins to shrink years before symptoms of the devastating disease appear. But, a new study finds exercise ...

Regular physical exercise appears to protect the brain from shrinking, an otherwise natural process in old age that is associated with memory and thinking problems. Conversely, mentally and socially ...

Physical and mental activity don't appear to prevent the brain from developing the telltale beta-amyloid deposits that are a hallmark of Alzheimer's disease, a new study suggests. "While it was hoped ...

We are hardly ever consciously aware that we use logic to solve everyday problems. But what is logic? Is the logic used to prove theorems in mathematics the same kind that we use for our practical ...

I do the New York Times crossword puzzle. Well, Monday’s and Tuesday’s anyway. I make lists about all kinds of subjects, like, What are my favorite country Christmas songs? And I prefer to construct ...