RE: If you continue to exercise regularly, your level of cortisol will increase less and less, even when you are under stress from reasons other than training. (Anders Hansen)

[unbiasedwriter]

Well, it can clearly be seen that exercising is a great tool for strengthening your brain and your body to react better to stress and also lower the cortisol levels in your body... and since it is good for you overall, probably the best medication against stress available today!