A gym-class size of Uni SA researchers reviewed a weight-rack of research to find “physical activity is highly beneficial for improving symptoms of depression, anxiety and distress across a wide range of adult populations”

Ben Singh and colleagues conclude aerobic exercise, resistance training and the stretching stuff CMM looks ridiculous doing are all beneficial – and higher intensity provides “greater improvements” for depression and anxiety.

You can read all about it in the British Journal of Sports Medicine, if you or your institution  subscribe, otherwise it will cost you £40 (A$70). Alternatively, you can spend that on a month in the gym and work it out for yourself.