Similar mental impairment among college students who play American football, or gridiron was found in a US study - with some athletes suffering long-term damage.

BBC: 'Brain damage risk' from popular sports

Someone on his coaching staff thoroughly breaks down every game, to make sure any shown package or play is accounted for, and the players have two sets of study: things that they knew of San Francisco before and things San Francisco has shown in the eight games since.

WSJ: For the New York Giants, Sequels Tend to Outdo the Originals

But Catherine Arnold of Credit Suisse First Boston says the study seems designed to play to Zyprexa's strengths, as patients will be switched off before weight gain or diabetes can develop.

FORBES: Jazz, Schizophrenia And Side Effects

The formula seems to be working: A recent independent study of 30, 000 Wizards 101 users found that about one out of every five respondents play with their parents or their grandparents.

FORBES: Wizard101 Hits 20 Million Users