The brain can thus affect the behaviour of the immune system, spleen, and lymph nodes. ... These researchers studied immune response in a group of 40 patients with malignant melanomas. They were given six weeks of intensive psychological counseling, education about melanoma, and stress-management training, including relaxation and coping skills. ... There were also significant increases in the percentage of natural immune killing cells. ...

• Word Count: 1738
• Approx Pages: 7
• Grade Level: Undergraduate