cause(s) of stress1. Environment factors• Economic uncertainty• Political uncertainty• Technological change• Whether: PM 2.5, too warm, too cold2. Organization factors• Task demands: multiple projects and deadlines• Role demands: marriage, divorce, pregnancy• Interpersonal demands: feeling unprepared and powerless3. Personal factors• Family problems• Economic problems: bills• Personality: perfectionist, stress tolerance• Physical constraints: physical exhaustionStress response• "fight-or-flight"• The stress response begins inthe brain.