How exercise works
Exercise is an excellent way to alleviate mild to moderate depression. By exercising you
can expect: about a 50% drop in your depression. an immediate impact (unlike medication
which takes many weeks to take effect). no unpleasant side effects. Almost any exercise will do if you maintain it for at least 20 to 30 minutes and exercise at 69% or more of your Maximum Heart Rate
Capacity (i.e., at least moderate intensity).