Depression can be severe and life-altering, affecting the quality of life and the happiness of those who live with it. It's also a common condition. In some cases, it's possible to prevent depression, even if you are already had a previous episode. There are many lifestyle changes and stress management techniques you can use to prevent or avoid depression. There are certain triggers that can cause us to experience depressive episodes. While triggers may be different for everyone, these are some of the best techniques you can use to prevent or avoid depression relapse.