It helps to be able to talk to others and feel less isolated in life. This helps to put perspective back into your life and you are more able to cope with the stress. Exercise helps by reducing anxiety levels, feelings of helplessness, depression and hostility. It also helps to reduce many physical symptoms such as muscle tension. Beta-endorphins are hormones that give a sense of pleasure in the nervous system and work with your immune system to help fight off sickness.
Perspective is very important during stressful experiences.
Stress is both positive and negative and must be put into perspective. If we all have this perspective when we are under stress, I think that many of our stressors would become a more positive influence. Laughing increases production of an antibody known as IgA, which is a virus fighter and triggers endorphins and decreases the stress hormones. It also increases white blood cell production which is an important component of the immune system. The muscle contractions decreases blood pressure and results in deeper relaxation.