How many brain cells does it take to play a game of Doom?

Forget playing Doom on a calculator. Now you can play it with a clump of brain cells--no brainstem necessary.

New research breaks down the potential impact of playing a free online brain game. Here's what experts say about it.

It’s easy to add to your routine, too.

Add Yahoo as a preferred source to see more of our stories on Google. Research shows that crossword puzzles are effective in improving memory. (Getty Images) (artisteer via Getty Images) There is no ...

Doctors often advise exercising your brain to stay sharp but stretching your brain might be the better description.

Brain-training games are all the rage, but whether they prevent cognitive decline has been debatable. Studies in recent years have gone back and forth on the topic, with no definitive conclusion. Many ...

Lower dementia risk and live a better quality of life with an occasional round of Monopoly or chess with the family.

With age comes a natural decline in cognitive function, even among otherwise healthy adults without dementia. A new study finds that a cognitive training program may boost production of a brain ...

There is no reality check like telling someone the same story twice and not realizing it until they stop you midway. When that’s followed by misplacing your keys for the second time in a week or ...