Exercise is good for you - but you already knew that

People who exercise on work days are happier, suffer less stress and are more productive | Mail Online

People who exercise on work days are more productive, happier and
suffer less stress than on non-gym days, scientists revealed today.

University
of Bristol researchers found that employees who enjoyed a workout
before going to work - or exercised during lunchbreaks - were better
equipped to handle whatever the day threw at them.

It also found that people's general mood improved on days of exercise but they became less calm on non-exercise days.