When Computer Games May Keep the Brain Nimble - WSJ.com

Puzzling

"A government-funded study published this month found that playing Double Decision can slow and even reverse declines in brain function associated with aging, while playing crossword puzzles cannot. The study builds on an earlier large trial which found that older people who played various cognitive games had better health-related outcomes, driving records and performed better at everyday tasks such as preparing a meal.
Such research has led groups like AARP, the big seniors group, to jump on board and offer discounts for certain games that have shown proven benefits."

When Computer Games May Keep the Brain Nimble - WSJ.com