Stress is being in a situation that triggers a particular reaction, and when you perceive a threat or a major challenge, stress triggers your fight, flight or freeze response. Stress isn’t necessarily a bad thing in itself though, and it does sometimes helps you survive, but too much constant stress can have severe long-term negative effects on your health.
Depression is a serious yet common medical illness that adversely and negatively affects how you feel, think and act. Depression can lead to a variety of emotional and physical problems, which often limits a person’s ability to function at work and at home. Depression can often come on gradually, so it can be difficult to notice something is wrong
Anger is a normal, healthy, natural emotion evolved as a way of surviving and protecting yourself from what is considered a wrong-doing. But anger can be a problem if it not kept under control and can cause serious problems in your life, in your relationships, and can be very damaging to the people around you.