Stress can impact a person emotionally by inducing fear, sadness, frustration, anger, anxiety, sadness, or depression. While all other emotional effects of stress can be adverse, stress frequently manifests with depressive episodes and/or periods of increased anxiety.
Anxiety involves feelings of extreme fear and withdrawal from social environments. It's estimated that 264 million people live with depression, which also happens to be the main cause of disability in people between ages 15 and 44. The Anxiety and Depression Association of America defines depression as a state where "manifestations of low mood are much more severe, and tend to persist". Depression can manifest as fatigue, anger, irritability, eating disorders, anxiety, or even substance abuse. Therefore, stress can affect you emotionally by inducing depression or anxiety.