This idea is for PC users no Mac's (sorry) and it's for every OS user. Your mouse has a standard left button for everyday stuff. Most user use only the index finger - right!
I click the button with the index AND the middle finger together for extra support. voila!
It's not going to cure carpal but it might give you a better score on mindless games.
However, you still need to sit up straight. The Brain is all the way down the spine to the tail.