Scientists seem to think so.
Stress can have a dramatic impact on the immune system. Biologically speaking, when a person suffers from prolonged or chronic stress, hormones that have an effect on the immune system are affected. There are different kinds of stress that a person can experience. Some forms of stress can even be beneficial to the body. Shorter bursts of stress that are not considered chronic or prolonged, such as the stress encountered when going on a job interview or performing in public causes your body to create adrenaline.