An addiction is a habit that negatively impacts a person's quality of life across a number of important areas, including their desires, priorities, behaviors, and ability to work and maintain good relationships. 

Healthy relationships can be a protective factor that buffers against stress. However, problems that develop in our relationships, sometimes called interpersonal problems, can be both a cause and a result of mental distress.

Military life often presents a unique set of challenges and stressors. Adjusting to military life and making transitions, such as PCS-ing or retiring, are major life changes that can have a number of biopsychosocial effects.