1) exercise before work (this should help, but it sounds like you've already tried it) 2) eat breakfast before work 3) get out of the office for lunch, maybe

1) exercise before work (this should help, but it sounds like you've already tried it) 2) eat breakfast before work 3) get out of the office for lunch, maybe even have a beer with friends, once in a while 4) stand up for yourself while at work -- challenge silly tasks and try to delegate 'crap' work 5) get a medical checkup