A report on Engadget last year (catching up slowly) told of a group of scientists here in Australia who claim to have found a way to boost a person's intelligence (Rain Man levels were mentioned in the report I read) using magnets and something that looks like a hairnet. Researchers from Sydney University apparently claim that an electromagnetic 'zap' to the left side of the brain will cause over-analytic, right-brained types to shift to the other hemisphere, where "you will soon be writing operas, penning sonnets and proofreading like a champ." As professor Allan Snyder was reported as saying: "I believe that each of us has within us non-conscious machinery which can do extraordinary art, extraordinary memory and extraordinary mathematical calculations."
Around the same time, the BBC carried a story that use of the internet by persons of middle age and older helped boost brain power. It has long been thought that activities which keep the brain active, such as crossword puzzles, may help minimise that impact - and that study suggested surfing the web could be added to the list.
I'm going to go one step further and say that the word game I've developed can do the same - heh heh.