There is a strong connection between depression, stress, and anxiety. Depression can lead to increased stress and anxiety, and stressed or anxious people are more likely to become depressed. All three of these conditions can have a profound effect on a person's mental and physical health.  Signs of depression include feeling sad or empty most of the time, losing interest in activities you used to enjoy, sleeping too much or too little, having trouble concentrating, feeling hopeless or worthless, and thoughts of death or suicide. People with depression may also have physical symptoms like fatigue, headaches, body aches, and digestive problems. Stress can cause similar symptoms as well as irritability, tense muscles, difficulty sleeping, changes in appetite, sweating ,and