Will solving Sudoku help stave off Alzheimer's? It makes sense in theory, but there are many variables and results are almost ...

One of the most concerning possibilities is dementia, which affects almost 10 percent of U.S. adults over the age of 65.

Experts say the answer is a puzzle. By Dana G ... training really can make people smarter and even lower the risk for dementia. But, as often happens in science, a seemingly straightforward ...